King Sinjong of Goryeo (1144–1204, r. 1197–1204) was the twentieth monarch of the Goryeo dynasty of Korea. The fifth son of King Injong, Sinjong took the throne after his brother King Myeongjong was sent into exile by Choe Chungheon.
He was wise, but like his brother before him had no true power, which was in the hands of Choe Chungheon (this marked the beginning of the Choe family's military rule). Sinjong also witnessed the kin strife of the Choe family and soon after became ill, abdicating in favor of his son King Huijong.