Princess Jangnyeong
| Princess Jangnyeong | |
|---|---|
| Princess of Goryeo | |
| Died | ? Goryeo |
| Spouse | King No of Yuan |
| House | House of Wang (by birth) |
| Father | Chunghye of Goryeo |
| Mother | Princess Deoknyeong of the Yuan Borjigin clan |
Princess Jangnyeong (Korean: 장녕공주 or 장녕옹주; Hanja: 長寧公主 or 長寧翁主) was a Goryeo Royal Princess as the only daughter of King Chunghye and Princess Deoknyeong, also the full sister of King Chungmok.