Kampmann is a surname. Notable people with the surname include:
- Christian Kampmann (1939–1988), Danish author and journalist
- Hack Kampmann (1856–1920), Danish architect
- Martin Kampmann (born 1982), Danish mixed martial artist
- Mel Kampmann, hired as News Director at WFIL-TV (Channel 6) in Philadelphia in 1969
- Steven Kampmann (born 1947), American actor, writer, and director
- Viggo Kampmann (1910–1976), the leader of the Danish Social Democrats and Prime Minister of Denmark 1960–1962