Abelardo Castillo (March 27, 1935 – May 2, 2017) was an Argentine writer, novelist, essayist, diarist, born in the city of San Pedro, Buenos Aires.

He practised amateur boxing in his youth.

He is well regarded in the field of Latin American literature.

In 2014 he won the Diamond Konex Award as the best writer in the last decade in Argentina.

This article about an Argentine writer or poet is a stub.