Barbara Davis (née Levine; born October 9, 1930) is an American billionaire philanthropist. She is the widow of industrialist Marvin Davis.

She is also the author of several books including The Secrets She Carried, The Wishing Tide, Summer at Hideaway Key, Love, Alice, When Never Comes, The Last of the Moon Girls, The Keeper of Happy Endings, The Echo of Old Books, and Every Precious and Fragile Thing.