Jantzen is a clothing company based in Portland, Oregon, United States.

Jantzen may also refer to:

People with surname Jantzen

Alice C. Jantzen (1918–1983), American occupational therapist Christian Jantzen (born 1977), Australian sports journalist Grace Jantzen (1948–2006), British philosopher and theologian Heinie Jantzen (1890–1948), American Major League Baseball player Hermann Jantzen (1866–1959), Mennonite missionary to Russian Turkestan Jens Carsten Jantzen (born 1948), German mathematician Jesse Jantzen, American wrestler Robert A. Jantzen, Director of the United States Fish and Wildlife Service from 1981 to 1986

Other Jantzen & Thormählen, a defunct German company that operated in Cameroon Jantzen Beach, a former amusement park in Portland, Oregon, U.S., and later the site of a shopping center Jantzen Knitting Mills Company Building, in Portland, Oregon, listed on the U.S. National Register of Historic Places Jantzen filtration, a mathematical filtration Stephan Jantzen, an icebreaker The Italian ship MV Sebastiano Veniero originally sailed as the Dutch ship Jason and was referred to in some German records as the Jantzen

See also