Ditlev
Ditlev may refer to:
- Emilius Ditlev Bærentzen, Danish portrait painter and lithographer
- Hans Ditlev Bendixsen, American shipbuilder on the West Coast of the United States
- Ditlev Blunck, Danish painter associated with the Danish Golden Age
- Reidar Ditlev Danielsen, Norwegian civil servant
- John Ditlev-Simonsen, Norwegian sailor who competed in the 1936 Summer Olympics
- Olaf Ditlev-Simonsen, Norwegian bandy player, footballer, sailor, sports administrator and businessperson
- Per Ditlev-Simonsen, Norwegian politician
- Adolf Ditlev Jørgensen, Danish historian
- Hans Ditlev Franciscus Linstow, Danish-born Norwegian architect
- Haakon Ditlev Lowzow, Norwegian military officer and politician for the Liberal Party
- Ditlev Gothard Monrad, Danish politician and bishop of Lolland-Falster
- Nicolai Ditlev Ammon Ræder, Norwegian jurist and politician
- Christian Ditlev Frederik Reventlow, Danish statesman and reformer
- Christian Ditlev Reventlow, Danish diplomat and military leader
- Christian Ditlev Reventlow, Danish Privy Councillor, nobleman and estate owner
- Niels Ditlev Riegels, Danish historian, journalist and pamphleteer
- Ditlev Ludvig Rogert, Danish songwriter, credited with composing Denmark's royal anthem
- Karl Ditlev Rygh, Norwegian archaeologist and politician for the Conservative Party
- Ditlev Vibe, Danish/Norwegian civil servant