Marjan Dominko (born 3 September 1969) is a Slovenian retired footballer. He was named sports director at Nafta Lendava in 2009.
Dominko made his debut for Slovenia in an August 1998 friendly match away against Hungary, coming on as a 74th-minute substitute for Alfred Jermanià ¡, and earned a total of 4 caps, scoring no goals. His final international was an April 1999 friendly against Finland.