Kym Valentine (born May 24, 1977 in Blacktown, Sydney, Australia) is a Maltese-Australian actress who began her acting career in a McDonald's fast food advertisement at age five.

Her television appearances have included My Two Wives, Adult Illiteracy, At Bathurst, Candid Camera, Brides of Christ, Home and Away, Swap Shop, Hoops TV and Cheez TV. In 1995 she joined the cast of Neighbours as Libby Kennedy at age 17, and remained on the show until 2005.

She has also done stage and pantomime work. In 2005 she took the lead role of Baby in Dirty Dancing: The Classic Story on Stage (the stage version of Dirty Dancing) at the Sydney Theatre. She is set to reprise her role when the production moves to London's West End from summer 2006.

Valentine is married to singer Fabio Tolli and has a daughter (Millana Valentine Tolli) and a younger sister