Birth Chart and Horoscope of Ontologists
- A. J. Ayer
- Annemarie Mol
- Antonio Escohotado
- Arthur Danto
- Arthur Prior
- Barbara Skarga
- Barry Smith (ontologist)
- Bernard Williams
- Bryan Magee
- Charles Taylor (philosopher)
- Claude Lévi-Strauss
- David Chalmers
- David Wiggins
- Dieter Henrich
- Donald Davidson (philosopher)
- Edmund Gettier
- Edward Fredkin
- Frank Ramsey (mathematician)
- Frederick Copleston
- Gareth Evans (philosopher)
- Geoffrey Sayre-McCord
- Georges Canguilhem
- Gilles Deleuze
- Gilles Lipovetsky
- Graham Harman
- Harry Frankfurt
- Héctor-Neri Castañeda
- J. L. Austin
- Jacques Derrida
- Jean-Paul Sartre
- John Corcoran (logician)
- John McDowell
- John Passmore
- John Perry (philosopher)
- John Searle
- Judith Butler
- Julian Jaynes
- Jürgen Habermas
- Karl Popper
- Ken Wilber
- Kurt Godel
- Luigi Pareyson
- Malladi Chandrasekhara Sastry
- Manfred Frank
- Mary Warnock, Baroness Warnock
- Maurice Merleau-Ponty
- Mikky Lafey
- Mortimer J. Adler
- Mário Ferreira dos Santos
- Nelson Goodman
- Noam Chomsky
- Norman Malcolm
- Oliver Lis
- P. F. Strawson
- Patrick Suppes
- Peter Singer
- Philip Kitcher
- Philip K. Dick
- Pierre Bourdieu
- Raymond Aron
- Renaud Barbaras
- Richard Boyd
- Richard Rorty
- Robert Arp
- Robert C. Solomon
- Robert Anton Wilson
- Roberto Mangabeira Unger
- Roderick Chisholm
- Roland Barthes
- Roland Gérard Barthes
- Sam Harris
- Sidney Morgenbesser
- Stuart Hampshire
- Sydney Shoemaker
- Theodor W. Adorno
- Thomas Nail
- Tomonobu Imamichi
- Walter Kaufmann (philosopher)
- Willard Van Orman Quine
- Wolfgang Cramer