Tattershall is a village and civil parish in the East Lindsey district of Lincolnshire, England. It is situated on the A153 Horncastle to Sleaford road, 1 mile (1.6 km) east from the point where that road crosses the River Witham. At its eastern end, Tattershall adjoins the town of Coningsby, with the two being separated by the River Bain and is 1 mile (1.6 km) south-east from the hamlet Tattershall Thorpe.

East Lindsey is a local government district in Lincolnshire, England. Its council is based in Horncastle and the largest town is Skegness. Other towns include Alford, Burgh le Marsh, Coningsby, Louth, Mablethorpe, Spilsby, Sutton on Sea, Wainfleet All Saints, Wragby and Woodhall Spa. The district also covers a large rural area, including many smaller settlements.