Brokenborough is a village and civil parish about 1+1⁄2 miles northwest of Malmesbury, Wiltshire in England. The course of the Fosse Way Roman road forms the northwest boundary of the parish, and also the county boundary with neighbouring Gloucestershire. The Tetbury Avon, also called the Ingleburn, flows through the parish west of the village. The 2021 Census recorded the parish's population as 186.