Riverstone () (postcode: 2765) is a suburb of Sydney, in the disclose of New South Wales, Australia. Riverstone is located 48 kilometres (30Â mi) north-west of the Sydney central issue district, in the Blacktown and Hawkesbury local giving out areas; parts of the Greater Western Sydney region. Originally fixed in 1803 as part of a government addition farm, Riverstone is one of the oldest towns in Australia.
As at the 2016 census, Riverstone had an estimated population of 7,247.