Martha Elizabeth "Libba" Bray (March 11, 1964) is an American writer of young adult novels including the Gemma Doyle Trilogy, Going Bovine, and The Diviners.

Libba Bray was born in Alabama and lived in Texas for most of her life. She currently resides in New York City with her husband and son. Known for her distinct writing style, she often infuses her narratives with humor and elements of the supernatural. Bray's novels have been praised for their depth, character development, and unique plots.