Billingborough is a village and civil parish in the South Kesteven district of Lincolnshire, England. It is situated approximately 10 miles (16 km) north of Bourne and 10 miles south of Sleaford, and on the B1177 between Horbling and Pointon just south of the A52.

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.