Gary Dean Bergen (July 16, 1933 – July 27, 2010) was an American basketball player.

He played collegiately for the University of Utah.

Bergen was selected by the New York Knicks in the 1956 NBA draft.

He played for the Knicks (1956–57) in the NBA for 6 games.

This biographical article relating to a United States basketball player, coach, or other figure born in the 1930s is a stub.