Melissa Marr (born July 25, 1972) is an American author of young adult/urban fantasy novels.

Marr, a former university English teacher, currently resides in Arizona.

[3][4] Her first novel was published in 2007, the New York Times bestseller Wicked Lovely.

Along with four more books in that series, which were also New York Times bestsellers, she has also written an adult novel, Graveminder, which won the 2011 Goodreads Readers Choice Award for "Best Horror" and was a "Top Pick Fantasy" with VOYA.

She is also a frequent contributor of short fiction to anthologies and has edited one anthology with Kelley Armstrong, with whom she also wrote the series Loki's Wolves, published under the name M.A.