Otto von Oldenburg
Otto von Oldenburg is the name of the following people:
- Otto I (Münster) († 1218), Bishop of Münster
- Otto I (Oldenburg) († 1251), Count of Oldenburg
- Otto I (Rastede) († around 1285), Abbot of Rastede
- Otto II (Oldenburg-Delmenhorst) († 1304), Count of Oldenburg-Delmenhorst
- Otto I (Bremen) († 1348), Archbishop of Bremen
- Otto III. (Oldenburg-Delmenhorst) († 1374), Count of Oldenburg-Delmenhorst
- Otto IV. (Oldenburg-Delmenhorst) (1367–1418), Count of Oldenburg-Delmenhorst
