Princess Cheonmyeong of Silla

Princess Cheonmyeong
Hangul	천명공주
Hanja	天明公主
Revised Romanization	Cheonmyeong gongju
McCune–Reischauer	Ch'ŏnmyŏng kongju

Princess Cheonmyeong of Silla (hanja: , date of birth and death unknown) was a princess of Silla, one of the Three Kingdoms of Korea, and is notable as the sister of Queen Seondeok of Silla, who reigned as Silla's twenty-seventh ruler. She was Queen Seondeok's full sister, her parents being King Jinpyeong and Queen Maya. Records are unclear as to which of the sisters was the elder, with the Samguk Sagi stating that Princess Deokman (later Queen Seondeok) was the elder but with many other sources stating that Princess Cheonmyeong was the elder by a wide margin.

Princess Cheonmyeong was married to Kim Yongsu, with whom she had a son, Kim Chunchu. After Kim Chunchu was enthroned as Muyeol of Silla, she was named Queen Dowager Munjeong.

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