Klassen is a surname. Notable people with the surname include:Ben Klassen (1918–1993), American white supremacist and founder of the religion Creativity Cindy Klassen, Canadian skater Danny Klassen, American-Canadian baseball player Johann Peter Klassen (1889–1947), German-Canadian poet Kenneth Klassen, Canadian sex tourist Kim Klassen, American folk art painter Linda Klassen, Canadian politician Owen Klassen, Canadian basketball player Peter P. Klassen, Paraguayan Mennonite historian Sarah Klassen, Canadian poet Terry Klassen, Canadian voice actor and voice director
