| Queen Munseong 문성왕후 | |
| Succession: | Queen consort of Goryeo |
| Reign: | ?–? |
| Reign-Type: | Tenure |
| Predecessor: | Queen Mungong |
| Successor: | Queen Daemok |
| Father: | Pak Yŏng-gyu[1] |
| Mother: | Kyŏn Ae-bok |
| Spouse: | Jeongjong of Goryeo |
| Issue: | Prince Gyeongchunwon A daughter |
| Posthumous Name: | Munseong (문성, 文成; "Civil and Constructive") |
| House: | Suncheon Pak clan |
| Religion: | Buddhism |
Queen Munseong of the Suncheon Pak clan was a Later Baekje royal family member as the youngest maternal granddaughter of Kyŏn Hwŏn who became a Goryeo queen consort as the second wife of King Jeongjong. She was the mother of his children, Prince Gyeongchunwon[2] and a daughter who would marry Wang Im-ju, her half-uncle.[3] Queen Munseong was the youngest sister, along with Lady Dongsanwon and Queen Mungong.