Kleiser
Kleiser is a German family name meaning "descendants of Klaus"
- Andreas Kleiser (* 1978) German entrepreneur
- Engelbert Kleiser (1842–1931), German priest of the Roman Catholic Church
- Joseph Kleiser von Kleisheim (1760–1830), the last district president of the principality of Fürstenberg, which was directly part of the empire
- Klaus Kleiser (winter sportsman) (* 1960) German winter sportsman
- Klaus Kleiser (entrepreneur) (* 1951) German entrepreneur
- Leonhard Kleiser (* 1949) Professor at the ETH Zurich
- Randal Kleiser (* 1946) American film director
- Valerie Kleiser (* 1993), Austrian bobsledder
- Viola Kleiser (* 1990), Austrian bobsledder
Kleiser is part of the name of:
- Kleiser von Kleisheim , noble family from Baden