| Queen Myeongui 명의왕후 | |
| Succession: | Queen consort of Goryeo |
| Reign: | 1099–1105 |
| Reign-Type: | Tenure |
| Coronation: | 1099 |
| Predecessor: | Queen Sasuk |
| Successor: | Queen Gyeonghwa |
| Succession1: | Queen dowager of Goryeo |
| Reign1: | 1105–1112 |
| Reign-Type1: | Tenure |
| Coronation1: | 1105 |
| Predecessor1: | Queen Dowager Sasuk |
| Successor1: | Queen Dowager Gongye |
| Regent1: | King Yejong (son) |
| Reg-Type1: | Monarch |
| Father: | Yu Hong |
| Mother: | Lady Kim, of the Gyeongju Kim clan[1] |
| Issue: | Wang U Princess Daeryeong Princess Heungsu Princess Ansu Wang Pil Wang Jing-eom Wang Bo Wang Hyo Wang Seo Princess Boknyeong Wang Gyo |
| Birth Date: | 1054/5 |
| Birth Place: | Jeongju-si, Gaeseong-bu, Gaegyeong-si, Goryeo |
| Death Date: | 14 July 1112 (aged about late 60s / early 70s) |
| Death Place: | Sinbak Temple, Gaeseong-bu, Gaegyeong-si, Goryeo |
| Burial Date: | August 1112 |
| Place Of Burial: | Sungneung tomb |
| Regnal Name: |
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| Posthumous Name: | Grand Queen Mother Yuga Gwanghye Myeongui 유가광혜명의왕태후 (柔嘉光惠明懿王太后) |
| House: | Chŏngju Yu clan |
Queen Myeongui of the Chŏngju Yu clan (; d. 8 August 1112) was a Korean queen consort as the first and primary wife of King Sukjong of Goryeo and the mother of most of his children.[3]
She married Sukjong when he was still known as Duke Gyerim . Before 1079, she was given royal title as Princess Myeongbok while live in Myeongbok Palace and later changed into Princess Yeondeok when she moved to Yeondeok Palace. Her mother, Lady Kim was formally called as "Grand Lady of the Nakrang State" .[4]
Then, following her husband who ascended the throne as a King, she become a Queen Consort in 1099. But, in the Goryeosa, there was some misunderstood because her name after become a queen consort, her clan name was written as Yi clan which this wasn't her clan.
However, on 10 November 1105, her husband passed away and their oldest son, Wang U ascended the throne as Yejong of Goryeo those making Yu honoured both of Queen Mother and Grand Queen Mother in 1105. Beside Yejong, she bore Sukjong 6 other sons and 4 daughters. After that, she was given Sungmyeong Mansion in Cheonhwa Hall as her residence and affiliated institution. As a queen mother, her birthday was also specially celebrated.
On 8 August 1112, the queen mother caught an illness and died suddenly after went to recuperation outside the palace at her old age in Sinbak Temple.[5] On 8th month (Lunar calendar) in the same year, she was buried in Sungneung Tomb and received her posthumous name.[6]
During her funeral, the Liao dynasty sent their envoys to mourn. But, seeing this, the internal court said:("임금님, 쟤네들이 태후님 제사 지내러 온 건 이번이 처음 아닌가요? 인국(隣國)이 이런 예우(禮)를 보여준걸 축하드립니다!").