José Félix Fernández Estigarribia (born in Asunción, 4 February 1941) is a Paraguayan politician and diplomat. He studied law at the National University of Asunción.
He served twice as Foreign Minister of Paraguay, first under Luis González Macchi (1999-2000) and then under Federico Franco (2012-2013).
A member of the Authentic Radical Liberal Party, he has been Representative and Senator.
He was also Secretary General of ALADI.