'''Kloosterman''' is a Dutch surname. Notable people with the surname include:
*Hendrik Kloosterman (1900–1968), Dutch mathematician **Kloosterman sum *Karin Kloosterman, Canadian entrepreneur, biologist, and journalist *Maarten Kloosterman (born 1942), Dutch Olympic rower
==See also== *Klostermann
{{surname}} Category:Dutch-language surnames