Donegal South-West (Dáil Éireann constituency)

Donegal South-West
Former Dáil Éireann Parliamentary Constituency
Location of Donegal South-West within Ireland
Former constituency
Created	1981
Abolished	2016
Seats	3
County council	County Donegal

Donegal South-West was a parliamentary constituency represented in Dáil Éireann, the lower house of the Irish parliament or Oireachtas, from 1961 to 1969 and from 1981 to 2016. The constituency elected 3 deputies (Teachtaí Dála, commonly known as TDs). The method of election was the single transferable vote form of proportional representation (PR-STV).

The constituency was first created for the 1961 general election. At the 1969 general election it was abolished and largely replaced by the Donegal–Leitrim constituency. It was recreated for the 1981 general election. It was located in the southern and western parts of County Donegal, it included the towns of Lifford, Donegal, Ballyshannon, Killybegs and Gweedore. It was abolished again at the 2016 general election, and became part of the re-created Donegal constituency.

The Electoral (Amendment) Act 2009 defined the constituency as:

Note: The columns in this table are used only for presentational purposes, and no significance should be attached to the order of columns. For details of the order in which seats were won at each election, see the detailed results of that election.