Chang Yong-hak (25 April 1921 – 31 August 1999) was a Korean writer. Chang was born in Hamyeong Buk-do in what is now North Korea. He studied at Waseda University in Japan, before being drafted into the Japanese army. After the end of World War Two, he taught high school in Korea, writing fiction on the side. His short story, translated as "The Poems of John the Baptist" (available in English translation in Ten Korean Short Stories, edited by Ken O'Rouke, 1993), was a critical success in Korea.