Mablethorpe and Sutton is a civil parish in East Lindsey, Lincolnshire, England.

It is on the North Sea coast and includes Mablethorpe, Trusthorpe, Sutton-on-Sea and Sandilands along with the inland village of Thorpe.

In 1894 the civil parish of Mablethorpe was included in Louth Rural District but in 1896 was created as Mablethorpe and Sutton Urban District in Lincolnshire, Parts of Lindsey.

Its urban district status was abolished by the Local Government Act 1972 in 1974, with the district authority becoming East Lindsey, whilst Mablethorpe and Sutton remained a civil parish with a town council.

The religious composition of the ward at the 2021 census was recorded as: The following people and military units have received the Freedom of the Parish of Mablethorpe and Sutton.