An election to all 18 seats on Longford County Council was held on 7 June 2024 as part of the 2024 Irish local elections.

[1] County Longford is 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).

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

^ †: Outgoing councillor coopted subsequent to the 2014 election.