Park Chan-ju

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Park Chan-ju (Korean: 박찬주; Hanja: 朴贊珠; 11 December 1914 – 13 July 1995), was the spouse of Prince Yi U of Korea.

She was a granddaughter of Marquis Park Yeong-hyo, who was a son-in-law of King Cheoljong of Joseon as a husband of Princess Yeonghye of Korea. They had two children, Yi Chung and Yi Jong.