Gerhard Dorn (c. 1530 - 1584) was a Belgian philosopher, translator, alchemist, physician and bibliophile.

Ulrich Libbrecht is a Belgian philosopher and active writer in the field of comparative philosophy.

Leopold Flam (16 March 1912-29 September 1995) was a Belgian philosopher.

The Belgian philosopher of law Frank Van Dun is one among those who are elaborating a secular conception of natural law in the liberal tradition.

Émile Dantinne (Huy, 1884-1969) was a Belgian philosopher and esoterist.

Jean Ladrière (1921-2007) was a Belgian philosopher.

Eugène Dupréel (February 8, 1879 - February 14, 1967) was a Belgian philosopher.

One of the world's outspoken advocates of a basic income system is the Belgian philosopher and political economist Philippe van Parijs.

Michel Weber is a Belgian philosopher, born in Brussels in 1963.

Jean C. Baudet is a Belgian philosopher and writer, born in Brussels (May 31, 1944).