Janzen

Janzen is a Scandinavian surname, and may refer to:

• Chantal Janzen (born 1979), Dutch actress
• Daniel Janzen (born 1939), American ecologist
• John M. Janzen (born 1937), American anthropologist
• Lee Janzen (born 1964), American golfer
• Marty Janzen (born 1973), American baseball player
• Matthew Janzen (born 1974), American film director