John Gilgun (October 1, 1935 to April 30, 2021) was an American author and artist He is best known for his 1989 novel Music I Never Dreamed Of, which was a shortlisted nominee for the Lambda Literary Award for Gay Fiction at the 3rd Lambda Literary Awards in 1990. His poetry won many awards.

His other works have included Everything That Has Been Shall Be Again: The Reincarnation Fables of John Gilgun (1981); the poetry collections The Dooley Poems (1991), From the Inside Out (1991), In the Zone: The Moby Dick Poems (2002) and The Dailies (2010); and the short story collection Your Buddy Misses You (1994).

A graduate of Boston University and the University of Iowa, Gilgun was a longtime teacher of English and creative writing at Missouri Western State University until his retirement in 2000.