Pemulwuy is a suburb in Greater Western Sydney, in the state of New South Wales, Australia. Pemulwuy is located 30 kilometres west of the Sydney central business district in the local government area of the Cumberland Council. Pemulwuy is home to the highest point between the Blue Mountains and Sydney, the summit of Prospect Hill.

Pemulwuy, was a Bidjigal warrior of the Dharug nation, born around 1750 in the area of Botany Bay in New South Wales, Australia. One of the most famous Aboriginal resistance fighters in the colonial era, he is noted for his resistance to European colonisation which began with the arrival of the First Fleet in January 1788.