| Nicolas Malebranche - Versailles MV 2929.jpg | Paul Jourdy / After Jean-Baptiste Santerre | Public domain |
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| Otto Weininger 1903 - Heliogravüre Paulussen.jpg | Photogravure Richard Paulussen (1852-1906), Wien | Public domain |
| Otto Wirsching - Porträt Dr. Albin Alfred Bäumler. 1914.jpg | Otto Wirsching | Public domain |
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| P1070995 - Catherine CLEMENT.JPG | Esby ( talk ) 00:52, 31 May 2009 (UTC) | CC BY 2.5 |
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| Paolo Monti - Serie fotografica (Italia, 1960) - BEIC 6363665 dettaglio.jpg | Paolo Monti | CC BY-SA 4.0 |
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| Paolo Sarpi 2.jpg | Mezzotint by William Dickinson, 1777, after F. Zucchero, 1777 | CC BY 4.0 |
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| Patricia Churchland, 2015 (cropped).jpg | Vera de Kok | CC BY-SA 4.0 |
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| Paul Goodman, 1969.jpg | Photo credited to Paul Hawken | Public domain |
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| Paul Watzlawick am ISC-Symposium 1988 HSGH 022-000762 (cropped).jpg | Unknown author | CC BY-SA 4.0 |
| PaulBernays1976 MFO.jpg | Konrad Jacobs, Erlangen | CC BY-SA 2.0 de |
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| Perry Anderson at Fronteiras do Pensamento Porto Alegre.jpg | https://www.flickr.com/photos/fronteirasweb/ | CC BY-SA 2.0 |
| Personnalités des arts et des lettres - Alexandre Herzen.jpg | Étienne Carjat | Public domain |
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| Philip kitcher.jpg | RealityApologist at English Wikipedia | CC BY-SA 3.0 |
| Philip Pettit.jpg | LF.Chile | CC BY-SA 4.0 |
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| Philippe Duplessis-Mornay - 1613.jpg | Anonymous Unknown author | Public domain |
| Philippe Van Parijs (cropped).jpg | Revenu de base from France | CC BY 2.0 |
| PhilippMelanchthon.jpg | Lucas Cranach the Elder and workshop | Public domain |
| Phillip Blond, 2018.jpg | Rwendland | CC BY-SA 4.0 |
| Philon.jpg | Unknown author Unknown author | Public domain |
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| Photo du philosophe Michel Henry (1990).jpg | Photographie prise au début des années 1990 par sa femme Anne Henry | CC0 |
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| Pictorial history of Epicarmo,poet and writer.jpg | Giuseppe Emanuele Ortolani ( 1828, historian in Italy ) upload Alpha30 | Public domain |
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| Picture of John Dalberg-Acton, 1st Baron Acton.jpg | Allen & Co. | Public domain |
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| Pieper.png | Muesse | CC BY 4.0 |
| Piero gobetti.JPG | Unknown author | CC BY-SA 3.0 |
| Pierodamiani2.JPG | Andrea Barbiani | Public domain |
| Pierre Bayle by Louis Ferdinand Elle.jpg | Attributed to Louis Ferdinand Elle the Younger | Public domain |
| Pierre Bourdieu (1).jpg | Bernard Lambert | CC BY-SA 4.0 |
| Pierre Duhem.jpg | Unknown author Unknown author Uploaded by Palthrow at en.wikipedia | Public domain |
| Pierre Lévy.jpg | Damião Francisco | CC BY 2.0 |
| Pierre Mignard - Françoise d'Aubigné, marquise de Maintenon (1694).jpg | Pierre Mignard I | Public domain |
| Pierre Paul Royer-Collard.jpg | Louis-Léopold Boilly | Public domain |
| Pierre Restany (1998) by Erling Mandelmann.jpg | Erling Mandelmann | CC BY-SA 3.0 |
| Pierre Schaeffer (1960) (cropped).jpg | Marquis | Public domain |
| Pierre-Jean-George Cabanis by Blondel (19 c., priv. coll).jpg | Merry-Joseph Blondel | Public domain |
| Pierre-Louis Moreau de Maupertuis (Levrac-Tournières).jpg | Robert Tournières | Public domain |
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| Pierre-Simon Ballanche.jpg | Jean-Marie Bonnassieux | CC BY-SA 3.0 |
| Pierre-Simon, marquis de Laplace (1745-1827) - Guérin.jpg | Jean-Baptiste Paulin Guérin | Public domain |
| PierreHadot.jpg | © Despatin & Gobeli ( tous droits réservés) | CC0 |
| Pietro Crescenzio. Line engraving by F. Spagnoli after A. Muzzi, cropped.jpg | F. Spagnoli, Antonio Muzzi (1815–1894) | Public domain |
| Pietro d'Abano.jpg | Justus van Gent / Pedro Berruguete | Public domain |
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| PietroGiannone.jpg | Jeremias Jakob Sedelmayr (1706-1761), engraver | Public domain |
| PikiWiki Israel 7352 Artur Ruppin.jpg | אין מידע | Public domain |
| Pinacoteca Querini Stampalia - Leucippus - Luca Giordano.jpg | Didier Descouens | Public domain |
| Pinchas Lapide (1967).jpg | Ron Kroon for Anefo | CC BY-SA 3.0 |
| Pirsig2005.jpg | Ian Glendinning, en:User:IanGlendinning | CC BY 2.5 |
| Pisanello - Lionello d'Este.jpg | Pisanello | Public domain |
| Pittacos Louvre Ma 3572.jpg | Marie-Lan Nguyen | Public domain |
| Pittore napoletano del XVIII secolo - Ritratto di Gaetano Filangieri.jpg | pittore napoletano del XVIII secolo | Public domain |
| PL Stanisław Brzozowski - Legenda Młodej Polski p0004aa.jpg | Jan Bukowski (1873-1938/43) | Public domain |
| Plato Silanion Musei Capitolini MC1377.jpg | Marie-Lan Nguyen | CC BY 2.5 |
| Plutarch of Chaeronea-03.jpg | Odysses | CC BY-SA 3.0 |
| Poet Prince Antiokh Kantemir.jpg | Unknown author Unknown author | Public domain |
| POL Michał Sędziwój.jpg | Łuszczkiewicz | Public domain |
| Policraticon de Jean de Salisbury - BSG Ms1145 f3r (Jean de Salisbury enseignant).jpeg | Étienne Colaud | Public domain |
| Polányi Károly.jpg | Unknown author Unknown author | Public domain |
| Pope Francis Korea Haemi Castle 19.jpg | Korea.net / Korean Culture and Information Service (Jeon Han) | CC BY-SA 2.0 |
| Pope John Paul II smile.jpg | Unknown author Unknown author | CC BY 3.0 pl |
| Portia Catonis.jpg | Published by Guillaume Rouille (1518?-1589) | Public domain |
| Portrait - Victor Basch - 1926.jpg | Victor_Basch_1926.jpg : Gallica derivative work: Agamitsudo | Public domain |
| Portrait Brutus Massimo.jpg | Unknown author | Public domain |
| Portrait dAuguste Comte (maison dA. Comte, Paris) (2424895050).jpg | Jean-Pierre Dalbéra from Paris, France | CC BY 2.0 |
| Portrait de Claude Adrien Helvetius, Collection des Grands Hommes, G.4189(3).jpg | Alix, Pierre Michel (Paris, en 1762 - Paris, 27–12–1817), graveur | CC0 |
| Portrait de Constantin-François de Chassebœuf, comte de Volney (1757-1820), érudit et philosophe, S373(2).jpg | David d'Angers, Pierre-Jean (Angers, 12–03–1788 - Paris, 05–01–1856), sculpteur | CC0 |
| Portrait de Dante.jpg | Sandro Botticelli | Public domain |
| Portrait de François Sanchez - attribué à Jean Chalette (université Paul-Sabatier Toulouse III).png | Unknown author Unknown author | Public domain |
| Portrait de Julien Offray de La Mettrie.jpg | Georg Friedrich Schmidt | Public domain |
| Portrait de Maurice Halbwachs.jpg | Medihal | CC0 |
| Portrait de Mme d'Arconville.jpg | A. Roslin | Public domain |
| Portrait Dilthey.jpg | R. Dührkoop | Public domain |
| Portrait Marie de Gournay.png | Jean Matheus | Public domain |
| Portrait of a Mathematician 1680c.jpg | Mary Beale | Public domain |
| Portrait of Atsutane Hirata.jpg | 不詳 unknown | Public domain |
| Portrait of Catharine Cockburn.jpg | Unknown artist Unknown artist | Public domain |
| Portrait of Clelia Grillo Borromeo Arese - Palazzo Borromeo.png | Unidentified painter | Public domain |
| Portrait of D. Hartley, 17thC Wellcome L0002618.jpg | Unknown author | CC BY 4.0 |
| Portrait of David Ricardo by Thomas Phillips.jpg | Thomas Phillips | Public domain |
| Portrait of Dr. Joseph S. Nye, Jr., Assistant Secretary of Defense, International Security Affairs.jpg | Scott Davis | Public domain |
| Portrait of Erasmus Darwin by Joseph Wright of Derby (1792).jpg | Joseph Wright of Derby | Public domain |
| Portrait of Ermolao Barbaro, Veneto painter, 1521-1552.jpg | 1521-1552 | Public domain |
| Portrait of Félix Dupanloup.jpg | François-Marie Gobinet de Villecholle | Public domain |
| Portrait of Geoffrey Chaucer (4671380) (cropped) 02.jpg | Unknown author Unknown author | Public domain |
| Portrait of George MacDonald.jpg | Unknown author Unknown author | Public domain |
| Portrait of George Salmon.jpg | Werner & Son | Public domain |
| Portrait of Giordano Bruno in "Opere" Wellcome L0015152 (cropped).jpg | Unknown author | CC BY 4.0 |
| Portrait of Giorgio Trissino (1546) by Veneto Painter. Civic Art Gallery of Como.jpg | 1521-1552 | Public domain |
| Portrait of Giovanni Botero (cropped).jpg | Unknown author Unknown author | Public domain |
| Portrait of Greek President Konstantinos Tsatsos circa 1978.jpg | Keystone Press | Public domain |
| Portrait of Gwenaëlle Aubry.jpg | Stephane Haskell | CC BY-SA 4.0 |
| Portrait of Hajime Nakamura 1955.png | 在家仏教協会 | Public domain |
| Portrait of Heinrich Khunrath. Amphitheatrum sapientiae aeternae Wellcome L0050107 (cropped).jpg | Unknown author | CC BY 4.0 |
| Portrait of Henry Sidgwick.jpg | Elliott & Fry | Public domain |
| Portrait of Jacques Cazotte.jpg | Jean-Baptiste Perronneau | Public domain |
| Portrait of John Keble (cropped).jpg | After George Richmond / William Holl | Public domain |
| Portrait of John Wesley (by George Romney).jpg | George Romney | Public domain |
| Portrait of Ludwig von Bertalanffy in 1926.jpg | Unknown photographer | Public domain |
| Portrait of Niccolò Machiavelli by Santi di Tito.jpg | Santi di Tito | Public domain |
| Portrait of Pedro Velez 3.png | Agustín Casasola | CC BY-SA 3.0 |
| Portrait of philosopher, early 5th c AD, 224977.jpg | Zde | CC BY-SA 4.0 |
| Portrait of Pierre Gassendi by Claude Mellan.png | Claude Mellan | Public domain |
| Portrait of Pierre Leroux by Félix Nadar.jpg | Nadar | Public domain |
| Portrait of Pope Adrian VI (after Jan van Scorel).jpg | After Jan van Scorel | Public domain |
| Portrait of Porphyry of Tyre from Les vrais pourtraits et vies des hommes illustres grecz, latins et payens.jpg | Unknown author Unknown author | Public domain |
| Portrait of Raja Ram Mohun Roy, 1833.jpg | Rembrandt Peale | Public domain |
| Portrait of Richard Haldane, 1st Viscount Haldane.jpg | Unknown author Unknown author | Public domain |
| Portrait of Richard von Mises (1883-1953), Mathematician and Engineer (2551839576) (cropped).jpg | Smithsonian Institution from United States | No restrictions |
| Portrait of Song Lian by Gu Jianlong.jpg | 顧見龍 Gu Jianlong | Public domain |
| Portrait of Swami Abhedananda from India and Her People.jpg | Unknown author Unknown author | Public domain |
| Portrait of Vallabhacharyudu.JPG | రహ్మానుద్దీన్ | CC BY-SA 3.0 |
| Portrait of W. Whewell; stipple engraving Wellcome L0014766.jpg | Unknown author | CC BY 4.0 |
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| Portrait Pierre-Joseph Proudhon (cropped).jpg | Nadar | Public domain |
| Portrait présumé d'Henri, comte de Boulainvilliers.png | école française du 17e siècle | Public domain |
| Portrait-Kaibara-Ekiken-(cropped)-c1700.png | Unknown author Unknown author | Public domain |
| Portrait-of-Kitaro-Nishida.png | Unknown author Unknown author | Public domain |
| Portraits of kings at Tongiljeon.jpg | Christophe95 | CC BY-SA 4.0 |
| Portret van Antonio Genovesi, RP-P-1909-5607 (cropped).jpg | Rijksmuseum | CC0 |
| Portret van Bartolus de Saxoferrato Bartolus de Saxo Ferratio (titel op object), RP-P-1909-4351.jpg | Rijksmuseum | CC0 |
| Portret van Benedictus Arias Montanus, Peter Paul Rubens, schilderij, Museum Plantin-Moretus (Antwerpen) - MPM V IV 056.jpg | Peter Paul Rubens | CC0 |
| Portret van de Franse kardinaal Pierre d'Ailly Annes Card. D'Alli (titel op object) Portretten van kardinalen (serietitel), RP-P-1910-4515.jpg | Rijksmuseum | CC0 |
| Portret van Georg Trapezuntius, RP-P-1909-4357.jpg | Rijksmuseum | CC0 |
| Portret van Giovanni Battista della Porta Portretten van beroemde Italianen in ovalen (serietitel), RP-P-1909-4734 (cropped).jpg | Rijksmuseum | CC0 |
| Portret van Henry More, RP-P-OB-46.333.jpg | Rijksmuseum | CC0 |
| Portret van historicus Carlo Denina Portretten van beroemde Italianen in ovalen (serietitel), RP-P-1909-4757 (cropped).jpg | Rijksmuseum | CC0 |
| Portret van Hiëronymus van Praag Beroemde hervormers (serietitel) Icones virorum nostra patrumq. memoria illustrium (serietitel), RP-P-1908-3864.jpg | Rijksmuseum | CC0 |
| Portret van Hugo de Groot (1583-1645) Rijksmuseum SK-A-581.jpeg | Workshop of Michiel Jansz. van Mierevelt | Public domain |
| Portret van Jacopo Zabarella, RP-P-1909-5623 (cropped).jpg | Rijksmuseum | CC0 |
| Portret van Jakob Böhme, RP-P-OB-2353.jpg | Rijksmuseum | CC0 |
| Portret van Julius Pomponius Laetus, RP-P-1874-12-44-3 (cropped).jpg | Rijksmuseum | CC0 |
| Portret van Lorenzo Valla Laurentius Valla (titel op object), RP-P-1909-4359.jpg | Rijksmuseum | CC0 |
| Portret van Paul Skalich Paulus Scalichius Comes Hannorum Marchio Veronae. (titel op object) Serie portretten van vijftiende- en zestiende-eeuwse geleerden (serietitel), RP-P-OB-41.858 (cropped).jpg | Rijksmuseum | CC0 |
| Portret van Pierre de La Ramée Petrus Ramus math. pro reg. (titel op object) Serie portretten van vijftiende- en zestiende-eeuwse geleerden (serietitel), RP-P-1910-4265 (cropped).jpg | Rijksmuseum | CC0 |
| Portret van Pierre-Daniel Huet Petrus Daniel Huetius (titel op object), RP-P-BI-7523 (cropped).jpg | Gérard Edelinck / Nicolas de Largillière | CC0 |
| Portret van Thomas à Kempis, RP-P-OB-26.661.jpg | Rijksmuseum | CC0 |
| Portret van wetenschapper en geestelijke Francesco Bianchini, RP-P-1920-2371 (cropped).jpg | Rijksmuseum | CC0 |
| Portret Wincentego Lutosławskiego (1911).jpg | Unknown author Unknown author | Public domain |
| Portretbuste van Zeno van Elea Paradigmata graphices variorum artificum (serietitel), RP-P-1907-4495.jpg | Jan de Bisschop | CC0 |
| Posidonio, replica augustea (23 ac.-14 dc ca) da originale del 100-50 ac. ca. 6142.JPG | Sailko | CC BY 3.0 |
| Post convert-2010 Rudenko (cropped).jpg | Post of Ukraine | Public domain |
| Postcard portrait of Asher ben Jehiel by Meir Kunstadt, early 1900s.jpg | Meir Kunstadt | Public domain |
| Postcard portrait of Moses Isserles by Meir Kunstadt, early 1900s.jpg | Meir Kunstadt | Public domain |
| Potebnya.jpg | Unknown author Unknown author | Public domain |
| PPN663959063 Christianus Democritus.jpg | Unknown artist Unknown artist | Public domain |
| PPN663960185 I. B. Basedow (1740).jpg | Johann Friedrich Bause | Public domain |
| Ppor. Jerzy Żuławski.jpg | Unknown author Unknown author | Public domain |
| Prabhupada on a morning walk in Germany 1974.jpg | Christian Jansen | CC BY 3.0 |
| Pranas Dovydaitis.jpg | Unknown author | CC BY-SA 2.5 |
| Prasidenten Margvelashvili (cropped).jpg | Bundesministerium für Europa, Integration und Äusseres | CC BY 2.0 |
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| Preferred official head-shot from James Randi Educational Foundation.jpg | James Randi Educational Foundation Photographer: Eduardo Aparicio | CC BY-SA 3.0 |
| Prentice Mulford.jpg | Needham portraits | Public domain |
| Presentación del Documental CATASTROIKA y Presentación de la Revista Debates y Combates (7215329954).jpg | Cancillería Ecuador | CC BY-SA 2.0 |
| Priestley.jpg | Ellen Sharples | Public domain |
| Primo Levi.jpg | Unknown (Mondadori Publishers) | Public domain |
| Prince Siddhartha with his maternal aunt Queen Mahaprajapati Gotami.JPG | Painting by Maligawage Sarlis. Photo by MediaJet , 2009 | Public domain |
| Prinsessan Christina, fru Magnuson.jpg | Frankie Fouganthin | CC BY-SA 3.0 |
| Prof Nick Bostrom 324-1.jpg | Future of Humanity Institute | CC BY 4.0 |
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| Prof.Anna-Teresa Tymieniecka.JPG | я, Эльтадж Юзбашов (Eltaj Yuzbashov) | CC BY-SA 3.0 |
| ProfAdamFerguson.jpg | Joshua Reynolds | Public domain |
| Professor Imre Lakatos, c1960s.jpg | Unknown author | No restrictions |
| Professor R. G Dahrendorf, 1980.jpg | Library of the London School of Economics and Political Science | No restrictions |
| Professor Timothy Williamson.JPG | A Williamson | CC BY-SA 4.0 |
| Professor William Ayers.jpg | Supercomputer12 | CC BY-SA 3.0 |
| PRSarkar GentlemanPhoto 3.jpg | Ananda Marga Pracaraka Samgha | CC BY-SA 3.0 |
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| PSM V78 D326 Ptolemy.png | Unknown author Unknown author | Public domain |
| Ptahhotep-Khamerernebty.jpg | AnnekeBart | Public domain |
| Pursina.jpg | Original work: Abolhassan Sadighi Depiction: User:Ehsan 1987 | Public domain |
| Pyrrho Heliensis - Illustrium philosophorum et sapientum effigies ab eorum numistatibus extractae.png | Girolamo Olgiati | Public domain |
| Pythagoras and Philolaus.png | Gaffurio_Pythagoras.png : Franchino Gaffurio (publisher) derivative work: Singinglemon (… | Public domain |
| Qadi Nasir al-Din Abu Sa'id 'Abdullah Baydawi; Kitab Nizam al-Tawarikh, probably Tabriz, Safavid Iran, 16th century.jpg | Christies.com | Public domain |
| Qasim Amin.jpg | not mentioned | Public domain |
| Qian Mu.jpg | Unknown author Unknown author | Public domain |
| Qihuangongguanzhong.jpg | Unknown author | Public domain |
| Qudsi.jpg | Unknown Painter | Public domain |
| Queen Christina (Sébastien Bourdon) - Nationalmuseum - 18075FXD.jpg | Sébastien Bourdon | Public domain |
| Quentin Meillassoux 01.png | Letherian3 | CC0 |
| Quentin skinner david cobley.jpg | Peter Stone | CC BY-SA 4.0 |
| Quesnay Portrait.jpg | Unidentified painter | Public domain |
| Quintus Horatius Flaccus.jpg | Anton von Werner | Public domain |
| Quintus Junius Rusticus from Crabb's Historical Dictionary.jpg | 'Crabbes Historical Dictionary', published in 1825 (с.19) | Public domain |
| Qusta ibn Luqa.png | Ridwan Al-Shahhal | Public domain |
| R. C. Sproul.jpg | James Thompson from Louisville, KY, USA | CC BY 2.0 |
| R. M. Hare (c. 1988).png | Ellin Hare | Public domain |
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| Rabanus Maurus.jpg | Unknown author | Public domain |
| Rabbi Adin Even-Israel (Steinsaltz).JPG | Director5772 | CC BY-SA 3.0 |
| Rabbi Jonathan Sacks zt"l.jpg | Jgavant | CC BY-SA 4.0 |
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| Rabindranath Tagore in 1909.jpg | Generalstabens litografiska anstalt | Public domain |
| Rached Ghannouchi 3.jpg | Mouad888 | CC BY-SA 4.0 |
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| Ragavendra1.jpg | Mohan Krishnan ( talk ) | CC BY-SA 3.0 |
| Rahid Ulusel Stokholmda.jpg | Quliyev Malik | CC BY-SA 4.0 |
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| Rainer Maria Kardinal Woelki, Erzbischof von Köln (2019).jpg | Reiner Diart | CC BY-SA 4.0 |
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| Ralph Cudworth.jpg | User Magnus Manske on en.wikipedia | Public domain |
| Ralph Metzner.jpg | Joi | CC BY 2.0 |
| Ralph Waldo Emerson ca1857 retouched.jpg | User:Scewing derivative work: 2009 | Public domain |
| Ram Dass.jpg | Joan Halifax (Santa Fe, New Mexico) | CC BY 2.0 |
| Ramakrishna.jpg | Abinash Chandra Dna | Public domain |
| Ramiro Ledesma (circa 1930).jpg | Anonymous Unknown author | Public domain |
| Ramon Llull.jpg | unknown (from the collection of Friderici Roth-Scholtzii Noriberg) | Public domain |
| Ranade Statue.jpg | Ankur Gupta from Bangalore, India | CC BY 2.0 |
| Ranciere.jpg | Petitfestival | CC BY-SA 3.0 |
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| Rav Laitman puts a lecture at the Kabbalah.jpg | The original uploader was Arielzur at Hebrew Wikipedia . | CC BY 2.5 |
| Ravi Zacharias speaks at Naval Station Guantanamo Bay 130917-A-MS942-255 (cropped).jpg | Pvt. Kathrin Forbes | Public domain |
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| Raymond Boudon.jpg | MEDEF | CC BY-SA 2.0 |
| Raymond Moody 2 (cropped).jpg | Ehabich | CC BY-SA 4.0 |
| Raymond Williams At Saffron Walden.jpg | GwydionM | Public domain |
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| Reb Moshe Feinstein.jpg | ChanochGruenman at English Wikipedia | Public domain |
| Rebecca Goldstein.jpg | same | CC BY-SA 3.0 |
| Reims (51) Saint-Rémi Baie 208-2.jpg | GO69 | CC0 |
| Relief of György Bessenyei in the Szeged Pantheon.jpg | Szilas | CC0 |
| Remo Bodei - Festival Economia 2018.jpg | Niccolò Caranti | CC BY-SA 4.0 |
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| Renaud Camus.jpg | Vive l'Europe | CC BY-SA 4.0 |
| Rene-guenon-1925 (cropped).jpg | Unknown author Unknown author | Public domain |
| René Dubos (cropped).jpg | United Press International | Public domain |
| René Girard.jpg | Vicq | Public domain |
| René Maheu (France), UNESCO Director General (1961-1974).JPG | Dominique Roger | CC BY-SA 3.0 |
| René-Antoine Ferchault de Réaumur. Line engraving by P. Simm Wellcome V0004955.jpg | Unknown author | CC BY 4.0 |
| Retrat oficial del Conseller de Salut, Toni Comín (cropped).jpg | Generalitat de Catalunya | Attribution |
| Retrato de Ceferino Gonzalez Diaz Tuñon.jpg | Jmortizz | CC BY-SA 3.0 |
| Retrato de Francisco Pi y Margall (1869).jpg | Biblioteca Nacional de España | CC BY 4.0 |
| Retrato de María Lugones.jpg | Revista Lavaca | CC BY-SA 4.0 |
| Retrato de un erudito (¿Arquímedes?), por Domenico Fetti.jpg | Domenico Fetti | Public domain |
| Retrato póstumo del padre Benito Jerónimo Feijoo (Mariano Salvador Maella).jpg | Mariano Salvador Maella | CC BY-SA 4.0 |
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| Rev Samuel Clarke.jpg | Attributed to Charles Jervas | Public domain |
| Rev Thomas Chalmers by Thomas Duncan, SNPG.JPG | Stephencdickson | CC BY-SA 4.0 |
| Rev. Reinhold Niebuhr 1927 Edit.jpg | Unknown author Unknown author | Public domain |
| RIAN archive 23852 Gorbachev listens to interpreter (cropped).jpg | Yuryi Abramochkin / Юрий Абрамочкин | CC BY-SA 3.0 |
| Richard Avenarius (1843-1896).jpg | Ohne Angabe | Public domain |
| Richard Baxter by Robert White.jpg | Robert White | Public domain |
| Richard David Precht.jpg | Jens Komossa | CC BY-SA 3.0 de |
| Richard de Saint-Victor (détails d'une mignature de Giovanni di Paolo, XVe siècle).png | Giovanni di Paolo | GFDL |
| Richard McKay Rorty.png | Manuelredondoduenas | CC BY-SA 3.0 |
| Richard Posner at Harvard University.jpg | chensiyuan | CC BY-SA 4.0 |
| Richard Swinburne.jpeg | Andrzej Zet | CC BY-SA 4.0 |
| Richard v. Krafft-Ebing.jpg | Lehmann | Public domain |
| Richard Whately.jpg | Unknown author Unknown author | Public domain |
| Richard Wilson - Cicero with his friend Atticus and brother Quintus, at his villa at Arpinum - Google Art Project.jpg | Richard Wilson | Public domain |
| RichardCarrierSM.jpg | User:RichardCarrier | Public domain |
| Riehl Alois.jpg | Unknown author | Public domain |
| Rift Valley4.jpg | Rusnak1987 | CC BY-SA 3.0 |
| Rigas Feraios 01.jpg | Andreas Kriezis | Public domain |
| RinzaiGigen.jpg | 曾我蛇足 Soga Jasoku (fl. c. 1300) | Public domain |
| Ritratti de prepositi generali della Compagnia di Gesù-Carafa.jpg | Arnold van Westerhout-Biblioteca Nacional de España | CC BY-SA 4.0 |
| Ritratto di Emanuele Tesauro.png | Charles Dauphin († 1677) | Public domain |
| Ritratto di Francesco Guicciardini.jpg | Cristofano dell'Altissimo | Public domain |
| Ritratto di Vincenzo Gioberti, seconda metà XVIII sec. - Accademia delle Scienze di Torino - Ritratti 0065 B.jpg | David Alois Schmid | Public domain |
| Riu Yu hsi.jpg | Unknown author | Public domain |
| RK2411 6II2101 Szczepan Twardoch.jpg | Rafał Komorowski | CC BY-SA 4.0 |
| Robert alexy.jpg | Contrib32523 | CC BY-SA 4.0 |
| Robert Anton Wilson (crop).jpg | frankenstoen | CC BY 2.0 |
| Robert Brandom.jpg | Barbara Wendeborn Brandom | CC BY-SA 3.0 |
| Robert Filmer Portrait.jpg | Tomitoch | CC BY-SA 4.0 |
| Robert Fludd. Oil painting. Wellcome V0017861 (cropped).jpg | Unknown author | CC BY 4.0 |
| Robert G. Ingersoll - Brady-Handy.jpg | Mathew Benjamin Brady / Levin Corbin Handy | Public domain |
| Robert Grosseteste.jpg | Unknown author Unknown author | Public domain |
| Robert hamerling.jpg | Unknown author | Public domain |
| Robert Kilwardby.jpg | Tommaso da Modena | CC BY-SA 3.0 |
| Robert Kowalski (cropped).jpg | Yongyuth Permpoontanalarp | CC BY 3.0 |
| Robert Nisbet.jpg | Melosasiempre | CC BY-SA 4.0 |
| Robert Nozick 1977 Libertarian Review cover.jpg | Libertarian Review | Public domain |
| Robert Owen by William Henry Brooke.jpg | William Henry Brooke | Public domain |
| Robert P. George by Gage Skidmore.jpg | Gage Skidmore | CC BY-SA 3.0 |
| Robert Paul Wolff.jpg | Ufopp | CC BY-SA 4.0 |
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| Robert solovay.jpg | George M. Bergman | GFDL 1.2 |
| Robert Spaemann 2015 (cropped).jpg | Demo für Alle | CC BY-SA 4.0 |
| Robert von Mohl.jpg | Christoph Friedrich Dörr (1782–1841) | Public domain |
| Robert von Zimmermann.jpg | Anonymous Unknown author | Public domain |
| Robert-michels.jpg | Ssociólogos | CC BY 3.0 |
| RobertMerrihewAdams20060625.jpg | Kaihsu Tai | CC BY 2.5 |
| Roberto Ardigò.jpg | The original uploader was FLEGMA at Italian Wikipedia . | Public domain |
| Roberto busa e index thomisticus.jpg | Antonio G Colombo | CC0 |
| Roberto Esposito (italian philosopher - 2000).jpg | Wikinade | CC BY-SA 3.0 |
| RobertoMangabeiraUnger.jpg | user:randy.f with assent of RMB, Hauser Hall, Harvard February 20, 2007 | Public domain |
| Robin G. Collingwood.jpg | Thoemmes Continuum | Copyrighted free use |
| Rocco Buttiglione.jpg | Elena Torre from Viareggio, Italia | CC BY 2.0 |
| Roderick Chisholm Pembroke Record.jpg | Unknown author Unknown author | Public domain |
| Roemerberggespraeche-12-2016-bassam-tibi-904.jpg | Dontworry | CC BY-SA 4.0 |
| Roger de Bussy-Rabutin en armure de lieutenant-général du roi (bgw17 0152).jpg | Benjamin Gavaudo | Public domain |
| Roger Penrose 9560.JPG | Biswarup Ganguly | CC BY 3.0 |
| Roger Scruton by Pete Helme.jpg | Pete Helme | CC BY-SA 3.0 |
| Roger-bacon-statue.jpg | Unknown author | CC BY-SA 3.0 |
| Roger-Pol Droit par Claude Truong-Ngoc 2013.jpg | Photo Claude TRUONG-NGOC | CC BY-SA 4.0 |
| Roland Barthes 1969.jpg | Unknown | Public domain |
| Romano Guardini um 1920.JPG | Unknown author Unknown author | Public domain |
| Ronald Dworkin at the Brooklyn Book Festival.jpg | David Shankbone | CC BY-SA 3.0 |
| Rosa Jenik - Franc Miklošič (cropped).jpg | Rosa Jenik | Public domain |
| Rosa Luxemburg.jpg | Unknown author Unknown author | Public domain |
| Rosemary Radford Ruether ©Lynn Gilbert.jpg | Lynn Gilbert | CC BY-SA 4.0 |
| RostandJean.jpg | Dubois A. | CC BY-SA 4.0 |
| RuanJi.JPG | Unknown author | Public domain |
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| Rudolf Agricola - Imagines philologorum.jpg | Johann Jakob Haid | Public domain |
| Rudolf Bahro (1935-1997).jpg | Claude Lebus | CC BY-SA 3.0 |
| Rudolf Bultmann als Porträtbüste von Michael Mohns.JPG | Dbleicher ( Diskussion ) | CC BY-SA 3.0 de |
| Rudolf Carnap 1895.jpeg | Unknown | Public domain |
| Rudolf Haym 2.jpg | Unknown author Unknown author | Public domain |
| RudolfOtto.jpg | Contemporary photograph | Public domain |
| Ruffini-paolo-colour.webp | Unknown | CC0 |
| Ruhollah Khomeini portrait 2 (cropped).jpg | Unknown author Unknown author | Public domain |
| Rupert-neudeck001.jpg | dontworry | CC BY-SA 3.0 |
| Russell Kirk.jpg | Unknown author | CC BY 2.5 |
| Ruth Barcan Marcus.jpg | Michael Marsland / Yale University | CC BY 3.0 |
| Ryukoji-C7229.jpg | Fg2 | Public domain |
| Régis Debray.jpg | Librairie Mollat | CC BY 4.0 |
| S.Rita da Cascia.jpg | NN | Public domain |
| Sadie-plant-kunstverein-muc-2024.jpg | Kaethe17 | CC BY 4.0 |
| Sadiq Jalal al-Azm at UCLA 5-10-06.jpg | Bgadsby | Public domain |
| Safranski.jpg | Hans Weingartz ( de:User:Leonce49 ) | CC BY-SA 2.0 |
| Said Akl.jpg | Unknown author Unknown author | CC BY-SA 4.0 |
| Said Nursi passport photo 1918.jpg | Unknown author Unknown author | Public domain |
| Saint Augustine by Philippe de Champaigne.jpg | Philippe de Champaigne | Public domain |
| Saint-Godard (Rouen) - Baie 11 détail 3.JPG | Giogo | CC BY-SA 4.0 |
| Saint-Yves d'Alveydre.jpg | Unknown author Unknown author | Public domain |
| SAKhan.jpg | The original uploader was Rama's Arrow at English Wikipedia . Later versions were uploade… | Public domain |
| Sally Haslanger, May 2013 (cropped).jpeg | Timothy Brown | CC BY 2.0 |
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| Salomon Munk cropped.jpg | Unknown | CC BY 3.0 |
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| Salutati.jpg | Apollonio di Giovanni | Public domain |
| Salvator Rosa - Démocrite et Protagoras.jpg | Salvator Rosa | Public domain |
| Sam Harris 2016 (cropped).jpg | Cmichel67 (Christopher Michel) | CC BY-SA 4.0 |
| Samaël Aun Weor (cropped).png | Revixi5 | CC BY-SA 3.0 |
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