Andy Duncan (born September 21, 1964) is an American science fiction and fantasy writer whose work frequently deals with Southern U.S. themes.

Duncan was born in Batesburg, South Carolina and graduated from high school from W. Wyman King Academy.

He has frequently given readings and spoken on panels at such venues as the International Conference on the Fantastic in the Arts, held each spring in Florida.

Duncan starred as the main character, Counter, in a live dramatization of Jeanne Beckwith's one-act play The Back Room, performed with award-winning authors John Kessel and James K. Morrow, author and scholar F. Brett Cox, writer and critic Fiona Kelleghan, Sydney Sowers, and Buffy the Vampire Slayer expert Rhonda V. Wilcox.

[7] Duncan currently lives with his wife Sydney in Frostburg, Maryland along with a 17 year old dog Lily, and cats Bella and Hilary.