Ernesto Castano (Italian pronunciation: [er'n?sto 'kastano]; born 2 May 1939) is a former Italian football player from Cinisello Balsamo in the Province of Milan, who played as a defender.
Throughout his club career he played for Legnano, Triestina, and Juventus, winning domestic titles at the latter club.
At international level, he was a member of the Italy national football team that won UEFA Euro 1968.