Molly Gloss (born November 20, 1944) is an American writer of historical fiction and science fiction.
Gloss grew up in rural Oregon and began writing seriously when she became a mother. She now lives in Portland, Oregon, and was close friends with fellow science fiction writer Ursula K. Le Guin. She has taught writing and literature of the American West at Portland State University, and currently is on the faculty of the Pacific University MFA program.