Limerick County is a parliamentary constituency that has been represented in Dáil Éireann, the lower house of the Irish parliament or Oireachtas, since the 2016 general election.

The constituency elects three deputies (Teachtaí Dála, commonly known as TDs) on the system of proportional representation by means of the single transferable vote (PR-STV).

[1] This was adopted under the Electoral (Amendment) (Dáil Constituencies) Act 2013 which came into effect at the 2016 general election.

The Constituency Review Report 2023 of the Electoral Commission recommended that no change be made at the next general election.

[2] For the 2024 general election, the Electoral (Amendment) Act 2023 defines the constituency as:[3] transfer of the electoral divisions of Abington, Ballybricken, Caherconlish East, Caherconlish West, Cappamore, Clonkeen, Doon West, Glenstal, Roxborough in the former rural district of Limerick No.