Sackville is a suburb of Sydney, in the state of New South Wales, Australia. It is located in the City of Hawkesbury and at the 2021 census had a population of 230, 22 of whom identified as Aboriginal and Torres Strait Islander. Sackville is situated on the Hawkesbury River, and is the site of the Sackville Ferry, a car ferry that crosses the river to North Sackville.