Clasen
# Clasen

Clasen is a German surname. Notable people with the surname include:

* Alvin J. Clasen (1892-1971), American politician
* Daniel Clasen (1622–1678), German political theorist, religious scholar, and classicist
* Helmut Clasen (born 1935), German-born Canadian motorcycle racer
* Henry J. Clasen (1829-1907), American politician
* Leo Clasen (1906–1972), German Holocaust survivor
