Classen is a surname. Notable people with the surname include:
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Aimée Classen, American ecologist
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Alexander Classen (1843–1934), German chemist
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Andy Classen, German musician, sound engineer and record producer
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Barbara Claßen (1957–1990), German judoka
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Bianca Claßen (born 1993), German fashion and beauty YouTuber
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Carl Joachim Classen (1928–2013), German classical scholar
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Chad Classen (born 1997), South African cricketer
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Edmond Classen (1938–2014), Dutch actor
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Erin Classen (born 2004), Australian squash player
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Gertrud Classen (1905–1974), German resistance activist
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Greg Classen (born 1977), German-Canadian ice hockey player
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J. Bart Classen, American immunologist and opponent of vaccination
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Johan Frederik Classen (1725–1792), Danish-Norwegian industrialist, major general and landowner
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Johannes Classen (1805–1891), German educator and classical philologist
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Llewellyn Classen, South African cricketer
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Maja Classen (born 1974), German film director and screenwriter
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Peter Hersleb Classen (1738–1825), Norwegian-Danish statesman
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Sabina Classen (born 1963), German thrash metal singer
See also
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Claasen, surname
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Claassen, surname
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The Classen, residential high-rise in Oklahoma City
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Classen Library, public library in Denmark
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Classen Mansion, neoclassical manor house in Denmark
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Classen School of Advanced Studies
Classen School of Advanced Studies, often referred to as Classen SAS, CSAS or simply Classen, is a state school, public speciality school serving students in grades 9–12 in Oklahoma City, Oklahoma. The Oklahoma City Public Schools program par ...
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Klassen, surname
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Klaasen, surname
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Klaassen, surname
{{surname, Classen