The Division of Werriwa is an Australian electoral division in the state of New South Wales. The name Werriwa derives from a local Aboriginal name for Lake George, which was located in the division when it was established in 1900. The division was one of the original 65 divisions first contested at the first federal election.

Lake George is an endorheic lake in south-eastern New South Wales, Australia. It is approximately 40 kilometres (25 mi) north-east of Canberra located adjacent to the Federal Highway en route to Goulburn and Sydney. Lake George is also the name of a locality on the western and southern edges of the lake, within the area of the Queanbeyan–Palerang Regional Council.