Queen Munseong of the Suncheon Pak clan (Korean: 문성왕후 박씨; Hanja: 文成王后 朴氏) 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 and a daughter who would marry Wang Im-ju, her half-uncle. Queen Munseong was the youngest sister, along with Lady Dongsanwon and Queen Mungong.