An election to all 18 seats on Leitrim County Council was held on 24 May 2019 as part of the 2019 Irish local elections.

County Leitrim was divided into 3 local electoral areas (LEAs) to elect councillors for a five-year term of office on the electoral system of proportional representation by means of the single transferable vote (PR-STV).

Following the recommendations of the 2018 LEA boundary review committee, no changes were made to the LEAs used in the 2014 elections.

[1][2] ^ *: Outgoing councillor elected in 2014.