Abernethy is a small town in the City of Cessnock, in the Hunter Region in the state of New South Wales, Australia.

Abernethy is located 8 kilometres south-east of the town of Cessnock, NSW and is adjacent to Werakata National Park and the Aberdare State Forest.

The town was founded near a coal mine and some of the historic buildings remain (including the Abernethy Hotel which now operates as a guest house).

[18] Some structures of the old Colliery are still present on the site including the winder house, the chimney stack and dam.

[19] On 19 October 2002, a large bushfire in Abernethy claimed the life of Sydney businessman Ronald Gillett, destroyed six homes and damaged many more.