John Jansen

John Jansen may refer to:

Sports

• John Jansen (rugby league) (born 1955), Australian rugby league footballer
• John Jansen (water polo) (born 1963), retired water polo player from the Netherlands
• Jon Jansen (born 1976), American football player

Others

• John Jansen (politician) (1947–2026), Canadian politician, mayor of Chilliwack and member of British Columbia Legislative Assembly
• John Jansen (record producer) (born 1947), American recording engineer and music producer

See also

• John Janssen (1835–1913), German-born American Roman Catholic bishop in Illinois
• Jonathan Janssen (born 1995), New Zealand basketball player