Because of Winn-Dixie is a 2000 children's novel written by Kate DiCamillo. It was adapted as a 2005 family film directed by Wayne Wang, produced by Walden Media and Twentieth Century Fox, and starring AnnaSophia Robb as Opal Buloni.

Katrina Elizabeth DiCamillo is an American children's fiction author. She has published over 25 novels, including Because of Winn-Dixie, The Tiger Rising, The Tale of Despereaux, The Miraculous Journey of Edward Tulane, The Magician's Elephant, the Mercy Watson series, and Flora & Ulysses. Her books have sold around 37 million copies. Four have been developed into films and two have been adapted into musical settings. Her works have won various awards; The Tale of Despereaux and Flora & Ulysses won the Newbery Medal, making DiCamillo one of six authors to have won two Newbery Medals.