Martin Marinac (born 15 July 1979) is a retired Austrian alpine skier.
He made his World Cup debut in January 2002 in Kitzbühel, also collecting his first World Cup points with a 10th place.
He only finished below the top 25 once, in his penultimate World Cup race.
His last World Cup outing came in December 2006 in Alta Badia.
This biographical article relating to alpine skiing in Austria is a stub.