Federico Riu Farré (May 14, 1925 – December 9, 1985) was a philosopher and university professor.

Riu was born in Lleida, Spain where he worked from an early age as a teacher in the small towns of his province.

He went to the University of Freiburg where he attended the lectures of Martin Heidegger and Eugen Fink.

He taught philosophy at the Central University of Venezuela from 1956 to 1980 and became the Chair of the Department in two occasions and served also as Dean of the School of Humanities.

Since 1987 a biannual prize in his honor rewards the best philosophical essay written in Venezuela.