Michelle Gagnon is an American crime fiction novelist. Her bestselling thrillers have been published in more than a dozen countries worldwide. She holds dual citizenship in the United States and Ireland, and currently resides in San Francisco.

Her second novel, Boneyard, was nominated for the Daphne du Maurier Award for Excellence in Mystery/Suspense. Along with Tamim Ansary, Khaled Hosseini, and Kemble Scott, she is part of the San Francisco Writers Workshop.

Her Young Adult Persef0ne Trilogy received starred reviews from Kirkus, VOYA, and School Library Journal, and was an IndieNext pick for Autumn 2012. It was also selected by the esteemed Junior Library Guild and by the Texas State Library Association for their recommended reading list for teens.

Before becoming an author, Michelle worked as a modern dancer, bartender, dog walker, model, personal trainer, and Russian supper club performer.