| Walter Kaiser | |
| Birth Date: | 2 November 1907 |
| Birth Place: | Neuwied, Germany |
| Death Place: | Rennes, France |
| Position: | Striker |
| Years1: | 1930–1938 |
| Clubs1: | Rennes |
| Caps1: | 93 |
| Goals1: | 52 |
Walter Kaiser (2 November 1907 – 25 February 1982) was a German professional footballer who played as a striker. Kaiser played in France for Rennes between 1930 and 1938, and was the Division 1 topscorer in the 1932–33 season, alongside Robert Mercier, scoring 15 goals.