- Source: Olaf III (disambiguation)
Olaf III of Norway was King 1067–1093.
Olaf III may also refer to:
Olaf Guthfrithson, King of Dublin 934–939
Olof Skötkonung, King of Sweden 980–1022
Olaf II of Denmark, sometimes numbered as III when counting a previous anti-king
Olaf Haraldsson