Donald Anthony "Don" Marinko (born 2 January 1933) is a former Australian rules footballer who played for the West Perth and East Perth Football Clubs in the Western Australian National Football League (WANFL).
The son of former West Perth and Subiaco player Don Marinko Sr., Marinko began his career at West Perth in 1952, playing a total of 164 games for the club mainly as a centreman, including as captain-coach of the side in 1959.
He transferred to East Perth for the 1961 season, but his career was ended by a knee injury prior to the start of the 1963 season.
Marinko also played 13 interstate matches for Western Australia, including the 1953 Australian National Football Carnival.