Katrina Elizabeth DiCamillo (born March 25, 1964) is an American author of children's fiction. She has published over 25 novels, including Because of Winn-Dixie (2000), The Tiger Rising (2001), The Tale of Despereaux (2003), The Miraculous Journey of Edward Tulane (2006), The Magician's Elephant (2009), the Mercy Watson series (2005—2022), and Flora & Ulysses (2013).