| Song Si-yŏl | |||||||||||||||||||||||||||||||
| Term Start: | 16 July 1673 | ||||||||||||||||||||||||||||||
| Term End: | 13 September 1673 | ||||||||||||||||||||||||||||||
| Predecessor: | Yi Gyeong-eok | ||||||||||||||||||||||||||||||
| Successor: | Jeong Ji-hwa | ||||||||||||||||||||||||||||||
| Term Start1: | 11 June 1672 | ||||||||||||||||||||||||||||||
| Term End1: | 29 November 1672 | ||||||||||||||||||||||||||||||
| Predecessor1: | Jeong Chi-hwa | ||||||||||||||||||||||||||||||
| Successor1: | Kim Su-hang | ||||||||||||||||||||||||||||||
| Term Start2: | 19 June 1671 | ||||||||||||||||||||||||||||||
| Term End2: | 11 June 1672 | ||||||||||||||||||||||||||||||
| Predecessor2: | Hong Jong-bo | ||||||||||||||||||||||||||||||
| Successor2: | Kim Su-hang | ||||||||||||||||||||||||||||||
| Term Start3: | 5 April 1668 | ||||||||||||||||||||||||||||||
| Term End3: | 4 January 1669 | ||||||||||||||||||||||||||||||
| Predecessor3: | Jeong Chi-hwa | ||||||||||||||||||||||||||||||
| Successor3: | Hong Jong-bo | ||||||||||||||||||||||||||||||
| Birth Date: | 1607 | ||||||||||||||||||||||||||||||
| Birth Place: | Guryong Village, Yinae-myeon, Okcheon-gun, Chungcheong-do, Joseon (now Guryong-ri, Yiwon-myeon, Okcheon-gun, North Chungcheong Province, South Korea) | ||||||||||||||||||||||||||||||
| Death Place: | Gaekji, Taein-hyeon, Jeolla-do, Joseon | ||||||||||||||||||||||||||||||
| Death Cause: | Sentenced to death during custody (executed) | ||||||||||||||||||||||||||||||
| Education: | Saengwon-si in 1633 | ||||||||||||||||||||||||||||||
| Party: | Seo-in, later No-ron | ||||||||||||||||||||||||||||||
| Father: | Song Gap-jo | ||||||||||||||||||||||||||||||
| Mother: | Lady, of the Seonsan Gwak clan | ||||||||||||||||||||||||||||||
| Spouse: | Lady, of the Hansan Yi clan | ||||||||||||||||||||||||||||||
| Country: | Joseon | ||||||||||||||||||||||||||||||
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Song Si-yŏl (; 1607–1689), also known by his art names Uam and Ujae or by the honorific Master Song, was a Korean philosopher and politician. Born in Okcheon, North Chungcheong, he was known for his concern with the problems of the common people. He served in governmental service for more than fifty years, and his name features over 3,000 times in the Annals of Joseon Dynasty, the greatest frequency that any individual is mentioned. He was executed by the royal court for writing an inflammatory letter to the king.There is a monument to him in his hometown.He is also known as the calligrapher who inscribed an epitaph (Chungyeolmyobi Takboncheop) in dedication of Admiral Yi Sunsin, which is preserved at the Chungnyeolsa Shrine (historical site No. 236). He was from the Eunjin Song clan and was close friends with one of his distant relatives, Song Chun-gil.