Sligo–Leitrim is a parliamentary constituency that has been represented in Dáil Éireann, the lower house of the Irish parliament or Oireachtas, from the 2016 general election.

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

[4] This change proved controversial, and created an unusual cross-province constituency, incorporating all or parts of four counties.

One man shared a picture online of his spoiled ballot in the 2016 election, which read "I LIVE IN CAVAN!

"[6] Local newspaper The Anglo-Celt reported that several people had similarly spoiled their ballots, using the column of boxes to spell out the same message.