Singleton is a town on the banks of the Hunter River in New South Wales, Australia. Singleton is 197 kilometres (122 mi) north-north-west of Sydney, and 80 kilometres (50 mi) northwest of Newcastle. At June 2015, Singleton had an urban population of 16,921.
Singleton's main urban area includes the town centre, Singleton Heights, Dunolly, Darlington, The Retreat, Wattle ponds and Hunterview. Surrounding rural villages include Broke, Camberwell, Jerrys Plains, Goorangoola/Greenlands and Belford.
Singleton is located on the north-eastern part of the geological structure known as the Sydney basin, which borders the New England region.