Cronulla is a suburb of Sydney, in the state of New South Wales, Australia. Boasting numerous surf beaches and swimming spots, the suburb attracts both tourists and Greater Sydney residents. Cronulla is 26 kilometres south of the Sydney central business district, in the local government area of the Sutherland Shire.

According to the 2021 census, there were 17,899 people in Cronulla.

Trains terminate at Cronulla railway station on the Cronulla branch of the Illawarra railway line, on the Sydney Trains network. Cronulla Tunnel Gallery is just north of the station, linking Cronulla Street to Tonkin Street.