Antoinette Byron (born December 1, 1962) is an Australian actress. She is best known for playing Natalie Nash on the Australian soap opera Home and Away.

Byron trained at the National Institute of Dramatic Art (NIDA). Her credits include starring roles in the American soap opera, All My Children, the Fox primetime series Women in Prison, and the hit Australian TV show, Home and Away, as well as major guest roles on series such as Melrose Place, Malcolm in the Middle, and many more.