Katzen is a surname of German origin, which means "cats". It may refer to:
Daniel Katzen (born 1952), French horn player and teacher Jay K. Katzen (1936–2020), American diplomat Lila Katzen (1925–1998), American sculptor Mollie Katzen (born 1950), American chef and writer Sally Katzen (born 1942), American legal scholar Katzen (performer)
Related names Katz (surname) Katzenbach (disambiguation) Katzenellenbogen Katzenelson Katzenstein (disambiguation) Katzman Katzmann
See also Katzen Arts Center, American University, Washington DC Katzen Cancer Research Center, Washington DC Katzensee, a lake in Zurich, Switzerland