Willi Braun is a retired male badminton player from Germany.
A doubles specialist noted for his ability to "cut off" the shuttle in the forecourt, Braun won the gold medal at the 1972 and 1974 European Badminton Championships in men's doubles with Roland Maywald. They reached the semifinal of the All-England Championships on three occasions and won the U.S. Open men's doubles title in 1976. Braun won the German national men's doubles title five times, four times with Maywald and once with Franz Beinvogel.