South Cerney is a village and civil parish in the Cotswold district of Gloucestershire, 3 miles south of Cirencester and close to the border with Wiltshire. It had a population of 3,074 according to the 2001 census, increasing to 3,464 at the 2011 census. It was founded in 999 by Saxon settlers, with a charter by King Aethelred II.