Queen Sapyeong of the Jeonju Yi clan (; 1158 â ?) was the first and primary wife of King Gangjong of Goryeo when he was still a crown prince who just reigned for 9 months. Descended from Yi Yong-bu, she would become the first cousin fifth removed to Yi Seonggye and only royal wife in Korean history who was born and came from the Jeonju Yi clan.
The future Queen Sapyeong was born into the Jeonju Yi clan as the only daughter of Yi à ¬i-bang, son of Yi Yong-bu and Lady Cho in Jeonju, North Jeolla Province.
In 1174, she married Crown Prince Wang Suk as his primary and first wife since her father had a big influence in the court. However, after 5 months reign, her father was assassinated in the coup led by Chà Âng Kyun (), son of Chà Âng Chung-bu (), which she later expelled from her position and out the palace according to the opinion that,
After her husband's ascension to the throne, she then received her title back and posthumously honoured as a Queen Consort. The couple had a daughter who later married Wang Ch'un, Duke Hawon ().
After that, her whereabouts has not appeared in both of Goryeosa or Goryeosajeolyo.