István Csák

István Csák, also known as Hircsák (February 18, 1915 – December 31, 1976) was a Hungarian ice hockey and field hockey player who competed in the 1936 Winter Olympics and 1936 Summer Olympics.

In 1936 he was part of the Hungarian ice hockey team which was eliminated in the second round of the Olympic tournament. He played all six matches as goaltender.

At the 1936 Summer Games, he was a member of the Hungarian field hockey team which was eliminated in the group stage of the Olympic tournament. He played all three matches as goalkeeper.

Csák migrated to the United Kingdom in 1956. He was the father of Steve Hilton, a British political strategist known for his work with former British Prime Minister David Cameron.