| Korean name | |
| Hangul | 세조 |
|---|---|
| Hanja | 世祖 |
| Revised Romanization | Sejo |
| McCune–Reischauer | Sejo |
| Birth name | |
| Hangul | 왕륭 |
| Hanja | 王隆 |
| Revised Romanization | Wang Yung |
| McCune–Reischauer | Wang Yung |
| Posthumous name | |
| Hangul | 위무대왕 |
| Hanja | 威武大王 |
| Revised Romanization | Wimu-Daewang |
| McCune–Reischauer | Wimu Taewang |
Sejo of Goryeo, born Wang Ryung (hanja: , died May 897) was the father of Wang Geon. After his son founded Goryeo as Taejo of Goryeo, he was titled Yonggeon (hanja: ), Munmyeong (hanja: ).
He was born in Kaesong, as the fourth son of Jakjaegeon (작제건, 作帝建) and Yongnyeo (용녀).