| Conflict |
Combatant 1 |
Combatant 2 |
Result |
| Battle of Julfar (752) |
Imamate of Oman |
Abbasid Caliphate |
Defeat
|
|
Siege of Mombasa (1696–1698) |
Omani Empire
|
Portuguese Empire
|
Omani victory |
1717 Omani invasion of Bahrain (1717) |
Omani Empire
|
Safavid Empire
|
Omani victory
- Omani Empire ended the Safavid rule over Bahrain
|
| Omani Civil War (1718–1744) |
Saif bin Sultan II Loyalists
- Ghafiris (1718 - 1722)
- Hinawis (after 1728)
|
Opposition
- Hinawis (1718 - 1722)
- Ghafiris (after 1722)
|
Inconclusive
|
| Saudi invasion of Qatar |
|
Diriyah |
Defeat
- Incorporation of Qatar into First Saudi State
|
| Oman–Zanzibar war
(1784) |
Omani Empire |
Local forces from Zanzibar, Mombasa and Pemba Island |
Victory
|
|
Persian Gulf campaign of 1819
(1819) |
United Kingdom
Supported by
Omani Empire |
Ras Al Khaimah
|
British victory
|
| Bani Bu Ali expedition (1820–21) |
|
Bani Bu Ali tribe |
Victory
|
| Muscat rebellion (1913-1920) |
British Empire
Muscat and Oman
|
Imamate of Oman Supported by:
German Empire (1915-1918)
|
Stalemate
|
| Buraimi dispute
(1952–1955) |
Trucial Emirates
British Empire
Supported by
Sultanate of Muscat and Oman
Aden Protectorate
|
Saudi Arabia
Supported by
- Al Bu Shamis tribe
- Na'im tribe
|
Decisive Trucial Oman Scouts victory
|
| Arab Cold War
(1952–1991[a]) |
Arab Federation (1958)
Supported by: |
Federation of Arab Republics
Arab Islamic Republic
United Arab States (1958–1961)
Supported by: |
Inconclusive
|
Jebel Akhdar War (1954–1959) |
Sultanate of Muscat
United Kingdom
|
Imamate of Oman Supported by:
Republic of Egypt
Saudi Arabia
|
Muscati victory
- Defeat of the Imamate of Oman
- 2073, 2238 and 2302 'Question of Oman' resolutions adopted by the UN General Assembly
- Dissolution of the Imamate of Oman
|
Dhofar Rebellion (1963–1976) |
|
|
Omani-British-Iranian victory[14] |
Gulf War (1990–1991) |
|
Iraq
|
Coalition victory
|
| Operation Ocean Shield
(2009–2016) |
NATO
Non-NATO:
|
Somali pirates |
Allied victory |
Iran War (2026–present) |
|
Iran
- Regional proxies
|
Ongoing
- US and Israel launch joint campaign (Operation Epic Fury / Roaring Lion)
- Regional retaliatory strikes touch Omani infrastructure; Oman actively balances ties and facilitates secret negotiations
|