Bigga is a village in the Southern Tablelands of New South Wales, Australia, in Upper Lachlan Shire. It is in the Parish of Bigga, County of Georgiana. At the 2011 census, Bigga and the surrounding area had a population of 465. The name Bigga is thought to originate as a shortened version of the Biggs Grant. Bigga is on the western side of the Abercrombie Mountains. It is 91 km northwest of Goulburn and 52 km southeast of Cowra. Nearby towns are: Abercrombie, Binda, Greenmantle, Grabine, Reids Flat, and Tuena. Nearby places are: Blanket Flat and Crooked Corner.