R Wlodek Rabinowicz (born 1947) Eduardo Rabossi (1930–2005) James Rachels (1941–2003) Melvin Rader (1903–1981) Karl Rahner (1904–1984) Peter Railton (born 1950) Vojin Rakić (born 1967) Tariq Ramadan (born 1962) Frank P. Ramsey (1903–1930)* Ian Thomas Ramsey (1915–1972) Paul Ramsey (1913–1988) Jacques Rancière (born 1940) Ayn Rand (1905–1982) Rose Rand (1903–1980) William J. Rapaport Anatol Rapoport (1911–2007) David M. Rasmussen Douglas B. Rasmussen (born 1948) Joseph Ratzinger (born 1927) Heidi Ravven (born 1952) John Rawls (1921–2002) Yvanka B. Raynova (born 1959) Joseph Raz (born 1939) Michael C. Rea Miguel Reale (1910–2006) François Recanati (born 1952) Andrew J. Reck (1927–2021) Michael Redhead (1929–2020) Jonathan Rée (born 1948) Tom Regan (1938–2017) Bernard Reginster Robert Reich (born 1946) Patricia Reif (1930–2002) George Reisman (born 1937) Nicholas Rescher (born 1928) Michael Resnik (born 1938) Greg Restall (born 1969) Georges Rey (born 1945) Rush Rhees (1905–1989) Janet Radcliffe Richards (born 1944) Henry S. Richardson (born 1955) John Richardson (born 1951) Radovan Richta (1924–1983) Paul Ricœur (1913–2005) Denise Riley (born 1948) Joachim Ritter (1903–1974) Abraham Robinson (1918–1974) Cedric Robinson (1940-2016) Howard Robinson (born 1945) Jenefer Robinson R. R. Rockingham Gill (born 1944) Nayef Al-Rodhan (born 1959) Sebastian Rödl (born 1967) Wendy Anne Rogers (born 1957) Bernard Rollin (born 1943) Holmes Rolston III (born 1932) Avital Ronell (born 1952) David Roochnik (born 1951) Amélie Rorty (1932–2020) Richard Rorty (1931–2007) Eugene Dennis Rose (1934-1982) Gillian Rose (1947–1995) Philipp Rosemann (born 1964) Gideon Rosen (born 1962) Michael E. Rosen (born 1952) Stanley Rosen (1929–2014) Alexander Rosenberg (born 1946) Harold Rosenberg (1906–1978) Jay Rosenberg (1942–2008) Nancy L. Rosenblum (born 1947) David M. Rosenthal Sandra B. Rosenthal (born 1936) Daniel Ross (born 1970) James F. Ross (1931–2010) Clément Rosset (1939–2018) Gian-Carlo Rota (1932–1999) John K. Roth (born 1940) Daniel Rothschild (born 1979) Brian Rotman Joseph Rovan (1918–2004) William L. Rowe (1931–2015) Mark Rowlands (born 1962) Sara Ruddick (1935–2011) Rosemary Radford Ruether (born 1936) Laura Ruetsche Ian Rumfitt (born 1964) Michael Ruse (born 1940) Gilbert Ryle (1900–1976) Robert Rynasiewicz David Rynin (1905–2000) S Mark Sainsbury (born 1943) Alia Al-Saji Jean-Michel Salanskis (born 1951) Ariel Salleh John Sallis (born 1938) Nathan Salmon (born 1951) Wesley Salmon (1925–2001) Michael J. Sandel (born 1953) Constantine Sandis (born 1976) David H. Sanford (born 1937) Steve F. Sapontzis (born 1945) Prabhat Rainjan Sarkar (1921–1990) Sahotra Sarkar (born 1962) Jean-Paul Sartre (1905–1980) Crispin Sartwell (born 1958) Barbara Sattler (born 1974) Debra Satz Jennifer Saul (born 1968) John Ralston Saul