Warragamba is a town in New South Wales, Australia, in Wollondilly Shire. Located on the eastern edge of the Blue Mountains, Warragamba is one and a half hour's drive west of Sydney. The name Warragamba comes from the aboriginal words Warra and Gamba meaning 'water running over rocks'.

The Warragamba River, a river that is part of the Hawkesbury-Nepean catchment, is located in the Macarthur region of New South Wales, Australia.