Diego Sebastian Crosa (born 18 April 1976 in Rosario) is an Argentinian footballer.

He was signed for Chacarita Juniors for the 2009 Apertura tournament where he played with his younger brother, Fernando Crosa, and in 2010 he signed for San Luis Quillota.

Crosa was part of the Argentina Under-20 squad that won the 1995 FIFA World Youth Championship in Qatar.

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