Christian Christiansen
Christian Christiansen is the name of the following people:
- Christian Christiansen (physicist) (1843–1917), Danish physicist
- Christian Christiansen (pianist) (1884–1955), Danish pianist and organist
- Christian Christiansen (politician) (1895–1963), Danish politician
- Christian Christiansen (singer) , Danish singer (bass)
- Christian E. Christiansen (* 1972), Danish film director and producer
- Christian Christiansen (futsal player) (* 1989), Danish national futsal and football player