Cardinia is a town in Victoria, Australia, 52 km south-east of Melbourne's central business district. Its local government area is the Shire of Cardinia. At the 2011 Census, Cardinia had a population of 449.
Cardinia is located between Pakenham and Tooradin on the south-eastern fringe of Melbourne.
The Post Office opened on 1 September 1881, was known as Cardinia Creek until 1912, and closed in 1970.
Cardinia is part of the Australian Rules ROC Football Club (Rythdale, Officer, Cardinia) competing in the Mornington Peninsula Nepean Football League.