Rowena Wallace (born 23 August 1947) is an English-born Australian stage and screen actor, most especially in the genre of television soap opera. She is best known for her Gold Logie-winning role as conniving Patricia "Pat the Rat" Hamilton/Morrell/Palmer in Sons and Daughters, being the first soap star to win the Gold Logie. After leaving the series and being replaced in the role by Belinda Giblin, Wallace returned in the final season as Patricia's sister Pamela Hudson.