| Korean name | |
| Hangul | 태조 |
|---|---|
| Hanja | 太祖 |
| Revised Romanization | Taejo |
| McCune–Reischauer | T'aejo |
| Birth name | |
| Hangul | 왕건 |
| Hanja | 王建 |
| Revised Romanization | Wang Geon |
| McCune–Reischauer | Wang Kŏn |
| Courtesy name | |
| Hangul | 약천 |
| Hanja | 若天 |
| Revised Romanization | Yakcheon |
| McCune–Reischauer | Yakch'ŏn |
| Posthumous name | |
| Hangul | 신성대왕 |
| Hanja | |
| Revised Romanization | Sinseong Daewang |
| McCune–Reischauer | Sinsŏng Taewang |
Taejo (Korean: 태조; Hanja: 太祖; 31 January 877[citation needed] – 4 July 943), personal name Wang Kŏn (왕건; 王建), also known as Taejo Wang Kŏn (태조 왕건; 太祖 王建; lit. 'Great Progenitor Wang Kŏn'), was the founder of the Goryeo Dynasty of Korea. He ruled from 918 to 943, achieving unification of the Later Three Kingdoms in 936.[1]