Sackville (Doorumbolooa) is a suburb of Sydney, in the state of New South Wales, Australia. It is located in the City of Hawkesbury and at the 2016 census had a population of 298, thirteen 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. The suburb is home to five National Heritage Listed sites: Three residences, St Thomas' Anglican Church and the Sackville Cemetery, which dates back to 1828.