Duke Kangyang
| Duke Kangyang | |
|---|---|
| Prince of Goryeo | |
| Born | Wang Cha Goryeo |
| Died | 1308 Goryeo |
| Issue | Wang Hu Wang Ko Wang Hun |
| House | Wang |
| Father | Chungnyeol of Goryeo |
| Mother | Princess Jeongsin |
| Korean name | |
| Hangul | 왕자 |
| Hanja | 王滋 |
| RR | Wang Ja |
| MR | Wang Cha |
| Royal title | |
| Hangul | 강양군, 강양공 |
| Hanja | 江陽君, 江陽公 |
| RR | Gangyanggun, Gangyanggong |
| MR | Kangyanggun, Kangyanggong |
| Posthumous name | |
| Hangul | 정강 |
| Hanja | 靖康 |
| Lit. | Tranquil and Peaceful |
| RR | Jeonggang |
| MR | Chŏnggang |
Duke Kangyang or Prince Kangyang (Korean: 강양공; Hanja: 江陽公; died 1308), born Wang Cha, was a Goryeo royal prince as the first and oldest son of King Chungnyeol and Princess Jeongsin, also great-grandfather of its last monarch, King Gongyang.