| Kim Yaksŏn | |
| Hangul | 김약선 |
|---|---|
| Hanja | 金若先 |
| RR | Gim Yakseon |
| MR | Kim Yaksŏn |
| Posthumous name | |
| Hangul | 장익 |
| Hanja | 莊翼 |
| RR | Jangik |
| MR | Changik |
Kim Yaksŏn (Korean: 김약선; Hanja: 金若先; fl. 13th century) was a Goryeo official. The son-in-law of Ch'oe U, he was the military ruler's heir apparent until his death.