Fernando Maximiliano Díaz Seguel is a Chilean football manager and former player who played as a goalkeeper. He is the current manager of Coquimbo Unido.

Coquimbo Unido is a Chilean football club based in the city of Coquimbo. The club was founded in 1958 and has played in the Chilean Primera División since being promoted in 2022. Their home games are played at the Estadio Municipal Francisco Sánchez Rumoroso, which has a capacity of approximately 18,750 seats.