Richard Donald Mrozik (born January 2, 1975 in Duluth, Minnesota) is a retired American ice hockey player who played two games in the National Hockey League for the Calgary Flames in 2002-03. Mrozik was drafted by the Dallas Stars in the 6th round, 136th overall, in the 1993 NHL Entry Draft. He retired following the 2004-05 season after spending eight years in the minor leagues.

Mrozik spent four years at the University of Minnesota Duluth, where he was named a Second Team All-Star by the Western Collegiate Hockey Association in his senior year of 1996-97.