Kim Jang-saeng (Korean: 김장생; Hanja: 金長生; July 8, 1548 – August 3, 1631) was a Neo-Confucian scholar, politician, educator, and writer of Korea's Joseon period.

[1] He was successor to the Neo-Confucian academic tradition of Yulgok Yi I (이이) and Seong Hon (성혼).

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