South Kesteven is a local government district in Lincolnshire, England, forming part of the traditional Kesteven division of the county. Its council is based in Grantham. The district also includes the towns of Bourne, Market Deeping and Stamford, along with numerous villages and surrounding rural areas.
South Kesteven borders North Kesteven to the north, South Holland to the east, the City of Peterborough and North Northamptonshire to the south, Rutland to the south-west, the Melton district of Leicestershire to the west, and the Newark and Sherwood district of Nottinghamshire to the north-west.