Ditlevsen is a surname. It is the surname of:
Knud Ditlevsen (1925–2006), Danish sprint canoer Richard G. Ditlevsen Jr. (born 1957), American businessman and stunt performer Sara Hjort Ditlevsen (born 1988), Danish actress Susanne Ditlevsen, Danish mathematician and statistician Tove Ditlevsen (1917–1976), Danish poet and author