Diego Martín Cocca (born 11 February 1972) is an Argentine professional football manager and former player who played as a right-back.

Subsequently, the defender had spells with Deportivo Español and Ferro Carril Oeste in the Argentine Primera División, before joining Lleida in Spain for the 1996–97 season.

On 8 February 2023, following the disclosure of his private negotiations with the Mexican Football Federation for the role of the national team's manager, Cocca was relieved of his duties.

On 19 June, following a disappointing showing at the 2023 CONCACAF Nations League Finals that included a 3–0 semifinal loss to the United States, he was dismissed from his position.

[8] On 14 December 2024, Cocca was appointed manager of La Liga side Real Valladolid, signing a contract until the end of the season.