| 20th Dáil | |
| Term Start: | 14 March 1973 |
| Term End: | 25 May 1977 |
| Membership1: | 144 |
| Session1 Start: | 14 March 1973 |
| Session1 End: | 27 July 1973 |
| Session2 Start: | 17 October 1973 |
| Session2 End: | 26 July 1974 |
| Session3 Start: | 23 October 1974 |
| Session3 End: | 30 July 1975 |
| Session4 Start: | 22 October 1975 |
| Session4 End: | 1 July 1976 |
| Session5 Start: | 31 August 1976 |
| Session5 End: | 25 May 1977 |
The 20th Dáil was elected at the 1973 general election on 28 February 1973 and met on 14 March 1973. The members of Dáil Éireann, the house of representatives of the Oireachtas (legislature) of Ireland, are known as TDs. It sat with the 13th Seanad as the two Houses of the Oireachtas.
On 25 May 1977, President Patrick Hillery dissolved the Dáil on the request of Taoiseach Liam Cosgrave. The 20th Dáil lasted days.
| Party | Feb. 1973 | May 1977 | |
|---|---|---|---|
| 69 | 66 | ||
| 54 | 53 | ||
| 19 | 19 | ||
| 1 | 2 | ||
| 1 | 1 | ||
| 1 | |||
| 2 | |||
Fine Gael and the Labour Party, denoted with bullets, formed the 14th government of Ireland, known as the National Coalition, with Liam Cosgrave as Taoiseach and Brendan Corish as Tánaiste.
This is a graphical comparison of party strengths in the 20th Dáil from March 1973. This was not the official seating plan.
On the meeting of the Dáil, Seán Treacy (Lab) was proposed by Liam Cosgrave (FG) and seconded by Brendan Corish (Lab) for the position. His election was approved without a vote.[1]
The list of the 144 TDs elected is given in alphabetical order by Dáil constituency.[2]