Gina Riley (born 6 May 1961) is an Australian actress, writer, singer and comedian, known for portraying Kim Craig in the television series Kath & Kim, and for her work in musical theatre.

Riley became a popular television performer in the sketch shows Fast Forward, its successor Full Frontal, Big Girl's Blouse and Something Stupid.

Riley and long-time writing partner and friend Jane Turner created sitcom show Kath & Kim which ran for four seasons and featured famous guest cameos such as Kylie Minogue and Shane Warne.