Choi In-hun (Korean: ???; Hanja: ???; 13 April 1936 – 23 July 2018) was a South Korean novelist and professor of creative writing at Seoul Institute of the Arts from 1977 to 2001.
He is well-known for his 1960 novel The Square, which depicts "the troubled life of a Korean prisoner of war (POW) who ends up taking his own life amid an intensified ideological rift in the post-Korean War era."