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.
References Claude Loire, Le Stade rennais, volume II, Rennes, Apogée, 1997, p. 72 Marc Barreaud, Dictionnaire des footballeurs étrangers du championnat professionnel français (1932-1997), l'Harmattan, 1997.