South Hykeham is a village and civil parish in the North Kesteven district of Lincolnshire, England. The population of the civil parish at the 2011 census was 835. It is situated approximately 3 miles south-west of Lincoln, and on the A1434 road. Since 1931, South Hykeham formed part of the civil parish of Aubourn Haddington and South Hykeham, but this relationship was broken in 1991 and South Hykeham is again a civil parish.