| Hangul: | 간왕 |
| Rr: | Gan wang |
| Mr: | Kan wang |
| Hangulborn: | 대명충 |
| Rrborn: | Dae Myeong-chung |
| Mrborn: | Tae Myŏng-ch'ung |
Gan of Balhae (died 818) (r. 817–818) was the ninth king of Balhae. He was the son of the sixth king, King Gang, and the younger brother of King Hui and King Jeong. He chose the era name Taesi (太始, "majestic beginning").