| Election Name: | 1945 Northern Ireland general election |
| Country: | Northern Ireland |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 1938 Northern Ireland general election |
| Previous Year: | 1938 |
| Previous Mps: | List of members of the 5th House of Commons of Northern Ireland |
| Elected Mps: | MPs elected |
| Next Election: | 1949 Northern Ireland general election |
| Next Year: | 1949 |
| Seats For Election: | All 52 seats to the House of Commons of Northern Ireland 27 seats were needed for a majority |
| Election Date: | 14 June 1945 |
| Image1: | Sir Basil Brooke, 10 February 1941.png |
| Leader1: | Basil Brooke |
| Leader Since1: | 1 May 1943 |
| Party1: | Ulster Unionist Party |
| Leaders Seat1: | Lisnaskea |
| Last Election1: | 39 seats, 56.8% |
| Seats1: | 33[1] |
| Seat Change1: | 6 |
| Popular Vote1: | 180,342 |
| Percentage1: | 50.4% |
| Swing1: | 6.4% |
| Leader2: | T. J. Campbell |
| Leader Since2: | 18 January 1934 |
| Party2: | Nationalist Party (Northern Ireland) |
| Leaders Seat2: | Belfast Central |
| Last Election2: | 8 seats, 4.9% |
| Seats2: | 10[2] |
| Seat Change2: | 2 |
| Popular Vote2: | 32,546 |
| Percentage2: | 9.1% |
| Swing2: | 4.2% |
| Leader4: | Paddy Agnew |
| Leader Since4: | 1938 |
| Party4: | Northern Ireland Labour Party |
| Leaders Seat4: | South Armagh (defeated) |
| Last Election4: | 1 seat, 5.7% |
| Seats4: | 2 |
| Seat Change4: | 1 |
| Popular Vote4: | 66,053 |
| Percentage4: | 18.5% |
| Swing4: | 12.8% |
| Leader5: | Harry Midgley |
| Leader Since5: | 1942 |
| Party5: | Commonwealth Labour Party |
| Leaders Seat5: | Belfast Willowfield |
| Last Election5: | Did not stand |
| Seats5: | 1 |
| Seat Change5: | 1 |
| Popular Vote5: | 28,079 |
| Percentage5: | 7.8% |
| Swing5: | New party |
| Map Size: | 400px |
| Prime Minister | |
| Posttitle: | Prime Minister after election |
| Before Election: | Basil Brooke |
| Before Party: | Ulster Unionist Party |
| After Election: | Basil Brooke |
| After Party: | Ulster Unionist Party |
The 1945 Northern Ireland general election was held on 14 June 1945. The election saw significant losses for the Ulster Unionist Party, though they retained their majority.
20 MPs were elected unopposed (38%), the vast majority of whom were Ulster Unionists. Four MPs affiliated with the labour movement were elected, a new record that would not be surpassed until 1958.[3]
| 33 | 10 | 2 | 2 | 5 | |
| UUP | Nationalist | L | IU | Oth |
|}
Electorate: 845,964 (509,098 in contested seats); Turnout: 70.3% (357,882).
Only 32 of the 52 seats (62%) were actually contested.
| 1945 Northern Ireland general election (contested seats) | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Party | Popular vote | Candidates | |||||||||||||
| Votes | % | Stood | Elected | % | |||||||||||
| Ulster Unionist | 180,342 | 50.4 | 28 | 20 | 62.5 | ||||||||||
| Labour | 66,053 | 18.5 | 15 | 2 | 6.3 | ||||||||||
| Nationalist | 32,546 | 9.1 | 5 | 4 | 12.5 | ||||||||||
| Commonwealth Labour | 28,079 | 7.8 | 6 | 1 | 3.1 | ||||||||||
| Ind. Unionist | 17,906 | 5.0 | 4 | 1 | 3.1 | ||||||||||
| Communist | 12,456 | 3.5 | 3 | 0 | — | ||||||||||
| Ind. Labour | 9,872 | 2.8 | 2 | 1 | 3.1 | ||||||||||
| Socialist Republican | 5,497 | 1.5 | 2 | 1 | — | ||||||||||
| Federation of Labour | 3,912 | 1.1 | 1 | 0 | — | ||||||||||
| Independent | 1,219 | 0.3 | 2 | 2 | 6.3 | ||||||||||
| Total | 357,882 | 70.3 | 68 | 32 | — | ||||||||||
In 20 of the 52 seats (38%), only one candidate stood and they were elected unopposed without any votes cast. The vast majority of the MPs elected without a contest were Ulster Unionists.
| 1945 Northern Ireland general election (uncontested seats) | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Party | Popular vote | Candidates | |||||||||||||
| Votes | % | Stood | Elected | % | |||||||||||
| Ulster Unionist | Unopposed | 13 | 13 | 65.0 | |||||||||||
| Nationalist | Unopposed | 6 | 6 | 30.0 | |||||||||||
| Ind. Unionist | Unopposed | 1 | 1 | 5.0 | |||||||||||
| Total | 20 | 20 | 100 | ||||||||||||