Janzen

Janzen is a German and Dutch surname, and may refer to:


 * Chantal Janzen (born 1979), Dutch actress
 * Daniel H. Janzen (born 1939), American ecologist
 * Janzen–Connell hypothesis
 * Femi Hollinger-Janzen (born 1993), Beninese footballer
 * Hawona Sullivan Janzen, American writer, poet, and performance artist
 * Henry Janzen (1940–2022), Canadian football player
 * Henry L. Janzen (1845–1927), German-born nurseryman and politician in Ontario, Canada
 * Jacqueline Janzen (born 1993), German ice hockey player
 * Johannes Janzen (1886–1945), German WWI flying ace
 * John M. Janzen (born 1937), American anthropologist
 * Lee Janzen (born 1964), American golfer
 * Marty Janzen (born 1973), American baseball player
 * Rhoda Janzen, American poet, academic and memoirist
 * Ron Janzen (born 1994), Dutch footballer
 * Russell Janzen, New York City Ballet principal dancer
 * Taylor Janzen, Canadian musician


 * Given name
 * Janzen Jackson (born 1990), American football player
 * Middle name
 * Elizabeth Janzen Dreger (1917–1979), Canadian politician and businesswoman
 * Lorraine Janzen Kooistra, Canadian professor