Three Kingdoms (disambiguation)
- 3Kingdoms
- Commonwealth of England, Scotland and Ireland
- Cotys I (Odrysian)
- History of Estonia
- Kalmar Union
- Kingdom of Champasak
- Kingdom of England
- Kingdom of Georgia
- Kingdom of Ireland
- Kingdom of Lan Xang
- Kingdom of Luang Prabang
- Kingdom of Scotland
- Kingdom of Vientiane
- Later Three Kingdoms
- Legends of the Three Kingdoms
- Odrysian kingdom
- Philip II of Macedon
- Portal Three Kingdoms
- Records of the Three Kingdoms
- Records of the Three Kingdoms (disambiguation)
- Romance of the Three Kingdoms
- Romance of the Three Kingdoms (TV series)
- Romance of the Three Kingdoms (disambiguation)
- Romance of the Three Kingdoms (video game series)
- Sanzan period
- Three Crowned Kings
- Three Crowns
- Three Kingdoms
- Three Kingdoms (Nepal)
- Three Kingdoms (TV series)
- Three Kingdoms (manhua)
- Three Kingdoms Online
- Three Kingdoms of Korea
- Three crowns (disambiguation)
- Three-domain system
- Tri Nations (disambiguation)
- Tripartite Struggle
- United Kingdom of Great Britain and Ireland
- Wars of the Three Kingdoms
- Zimiamvia