King Olaf, King Olav, or similar, may refer to:

• Olof the Brash (9th century), founder of the House of Olaf
• Olaf I of Denmark ( c. 1050–1095), ruled 1086–1095
• Olaf (II) Haraldsen (died c. 1143), Danish anti-king who ruled Scania for a few years from 1139
• Olaf II of Denmark, (1370–1387), ruled 1376–1387, also King of Norway as Olaf IV

• Amlaíb Conung, (died c. 875), possibly synonymous with Olaf the White
• Amlaíb mac Gofraid (died 941), ruled 934–941, also King of Northumbria
• Amlaíb Cuarán, ( c. 926–981), also King of Northumbria

• Olaf I Godredsson ( c. 1080–1153)
• Olaf the Black (1173/4–1237), ruled 1229–1237

• Olav I of Norway(960s–1000), Olav Trygvason, ruled 995–1000
• Olav II of Norway (995–1030), Olav Haraldson, ruled 1015–1028, canonised
• Olav III of Norway ( c. 1050–1093), Olav Kyrre, ruled 1067–1093
• Olav Magnusson of Norway (1099–1115), ruled 1103–1115
• Olav IV of Norway (1370–1387), ruled 1380–1387, also King of Denmark as Olav II
• Olaf V of Norway (1903–1991), ruled 1957–1991

• Olof (I) of Sweden ( fl. 854)
• Olof (II) Björnsson, ruled c. 970–975
• Olof Skötkonung ( c. 980–1022), ruled 995–1022

• Olaf the White (9th century), Viking sea-king, possibly synonymous with Amlaíb Conung
• Amlaíb Cenncairech, King of Limerick, ruled 932–937
• Amlaíb of Scotland, (died 977), King of Scots
• King Olaf of Camelot, fictional ruler in the television series Merlin; see List of Merlin characters

• The Saga of King Olaf, a poem by Henry Wadsworth Longfellow
• Scenes from the Saga of King Olaf, choral work by Edward Elgar based on the Longfellow poem

• Óláfs saga (disambiguation)

This disambiguation page lists articles associated with the title King Olaf.
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