Kathryn Mitter is an illustrator who drew two Bear in the Big Blue House books, Love Is All You Need and When You've Got To Go! (both 2000).

Mitter has illustrated more than half a dozen Raggedy Ann books since 2000. She also illustrated Gullah Gullah Island and Eloise books, What Makes My Mommy/Daddy Best, the Everyday 3-D Shapes series, Duck for Turkey Day, and The Hanukkah Trike, among others.