Queen Sundeok of the Incheon Yi clan (Hangul: 순덕왕후 이씨, Hanja: 順德王后 李氏; 15 April 1094 – 21 September 1118) or formally called as Queen Mother Mungyeong (Korean: 문경태후; Hanja: 文敬太后) was a Korean queen consort as the second wife of Yejong of Goryeo and the mother of his successor, Injong of Goryeo.