| Hangul: | 김태서 |
| Rr: | Kim Tae-seo |
| Mr: | Kim T'ae-sŏ |
| Hangulph: | 문장 |
| Rrph: | Munjang |
| Mrph: | Munchang |
Kim T'ae-sŏ (; ?–1257) was a Goryeo government official and the progenitor of the Jeonju Kim clan. He held various government posts such as Hallim Academician (한림학사) and Vice-Director of the Chancellery .
Kim T'ae-so was the son of Kim Pong-mo, and a descendant of the royal family of Silla via King Gyeongsun’s son Prince Daean.[1] In 1232, he became a Hallim Academy Scholar and served as an assistant examiner (동지공거) of the state examination. His top post would be that of Vice Prime Minister. He served through the reign of five kings: Myeongjong, Sinjong, Huijong, Gangjong and Gojong.[2] According to the Goryeosa, he was said to have revered Confucianism, but was not fond of writing. He was the father of three sons: Kim Yak-sŏn, Kim Ki-son, and .[3] Two of them served in military offices while one served as a civil official.[4] In 1254, he moved his family from Gyeongju to Jeonju due to the ongoing Mongol invasions of Korea. Due to the O Sŭngjŏk incident, in 1251, his family assets were forfeited. In 1257, he died and was given the posthumous name of Munjang. He was buried on Moaksan, in North Jeolla Province, South Korea.[5]