The 2018 South Lakeland District Council election took place on 3 May 2018 to elect members of South Lakeland District Council in Cumbria, England. The whole council was up for election with boundary changes since the last election in 2016, these major changes to boundaries were recommended by the Local Government Boundary Commission for England (LGBCE) .
This result had the following consequences for the total number of seats on the Council after the elections:
An asterisk * indicates an incumbent seeking re-election.
A by-election was held on 20 December 2018 to fill a vacancy in Arnside & Milnthorpe following the death of Councillor Ian Stewart.