'''Claassen''' or '''Claassens''' is an Afrikaans, Dutch and Low German patronymic surname. It may refer to:
*Arthur Claassen (1859–1920), German orchestral conductor *Ben Claassen III (born 1977), American comics artist and illustrator *{{interlanguage link|Fay Claassen|de||nl|}} (born 1969), Dutch jazz singer *George Claassen (born ca. 1950), South African writer, brother of Wynand *J. G. Claassen (born 1991), South African golfer *Johan Claassen (1929–2019), South African rugby player *Neil Claassen (born 1992), South African rugby player *Peter Walter Claassen (1886–1937), American entomologist **Claasenia, a genus of stoneflies, Claassen's skolly, a butterfly *René Claassen (born 1971), Dutch politician *Ruben Claassen (born 1993), South African cricketer *{{interlanguage link|Tom Claassen|es||nl|}} (born 1964), Dutch sculptor *Utz Claassen (born 1963), German manager *Wynand Claassen (born 1951), South African rugby player, brother of George ;Claassens *Errie Claassens (born 1981), South African rugby player *Michael Claassens (born 1982), South African rugby player
==See also== *Claessen *Claessens *Clason (disambiguation) *Classen *Classun *Clausen *Claussen *Klaassen *Klassen
{{surname}}
Category:Dutch patronymic surnames Category:Low German surnames Category:Patronymic surnames Category:Surnames derived from given names