Magnus of Denmark or Magnus of Holstein was a Prince of Denmark, Duke of Holstein, and a member of the House of Oldenburg. As a vassal of Tsar Ivan IV of Russia, he was the titular King of Livonia from 1570 to 1578.
- Occupation
- landlord
- Position held
- diocesan administrator, Bishop of Ösel-Wiek, administrator of the Diocese of Reval
- Citizenship
- Kingdom of Denmark
- Born
- August 26, 1540
- Died
- March 28, 1583
