Moon Deoksu (Hangul: 문덕수), (December 8, 1928 – March 13, 2020) was an early-modern Korean poet. He was born in Haman South Gyeongsang Province, Korea. He was Dean of the College of Education at Jeju University.
He was President of the Poetry Second of the Korean Literature Association; President of the Modern Poet's Association; Vice Director of the Korean Literature Association; Director, Vice President, and President of the Korean branch of P.E.N.