Jan Brzák-Felix (6 April 1912 – 15 July 1988) was a Czechoslovak slalom and sprint canoeist from Prague who competed from the mid-1930s to the early 1950s. Competing in three Summer Olympics, he won three medals in the C-2 1000 m event with two golds (1936, 1948) and one silver (1952). Brzák-Felix also won four medals at the ICF Canoe Sprint World Championships with three golds (C-2 1000 m: 1950, C-2 10000 m: 1938, 1950) and one silver (C-2 1000 m: 1938).