Brookthorpe-with-Whaddon, formerly just Brookthorpe, is a civil parish in the Stroud district of Gloucestershire, England. According to the 2001 census it had a population of 308, increasing to 322 at the 2011 census. In 2019 the population was estimated at 395. It consists of the small villages of Brookthorpe and Whaddon, both to the south of Gloucester.