Friedrich Alfred "Frank" de Marwicz (March 28, 1907 - December 1990) was a German-born British hockey player. He was a member of the British National Team at the World Championships in 1930 and 1934, playing in a total of six games. He played for HC Rosey Gstaad while studying in Switzerland and also for the Cambridge University hockey team. de Marwicz also played for several English club teams.