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.

Lincolnshire is a ceremonial county in the East Midlands and Yorkshire and the Humber regions of England. It is bordered by the East Riding of Yorkshire across the Humber estuary to the north, the North Sea to the east, Norfolk, Cambridgeshire, Northamptonshire and Rutland to the south, and Leicestershire, Nottinghamshire and South Yorkshire to the west. The county town is the city of Lincoln. Lincolnshire is the second largest county in England after North Yorkshire.