Grand Princess Seongmok

Grand Princess Seongmok (died before 1018) or shortly-called Princess Seongmok (; "the accomplishment and solemn princess") was a Goryeo royal family member as the daughter of King Taejo's 13th son, Wang Uk.

It was said that she would often go to the temple Hyeonhwasa to pray for her parents along with her half younger brother, Wang Sun. ) which was later used by Yilianzhenbala and Jintong.

Although her detailed information was not recorded in Goryeosa, but in 1930 during the Japanese colonial period, her existence was made known through the Hyeonhwa Sabi (현화사비; built in 1018 (10th year reign of King Hyeonjong)) and was discovered at Yeongchu Mountain, Pangyo-ri, Gaeseong-gun, Gyeonggi Province.