Otto Manderup von Rantzau (22 May 1719 â 2 October 1768) was a Danish count and civil servant who was governor of Iceland and the Faroe Islands from 1750 until his death.
Rantzau was the son of Count Christian Rantzau (d. 1771), who was at one time one of Denmark's highest officials and governor of Norway for a time, and his wife Eleonore Hedevig von Plessen.