Sinn Féin Westminster election results
This article lists Sinn Féin's election results in UK parliamentary elections.
Summary of general election performance
Election results
By-elections 1906–1910
| Election | Candidate | Votes | % | Position |
| 1908 North Leitrim by-election | 1,157 | 27.2 | 2 |
By-elections, 1910–1918
1918 general election
Cork City was a two-seat constituency, and both Sinn Féin candidate were elected.By-elections, 1918–22
1924 general election
1950 general election
McAteer stood as an independent republican candidate.1955 general election
By-elections, 1955–59
1959 general election
1964 general election
These Sinn Féin members stood as Independent Republican candidates.| Constituency | Candidate | Votes | % | Position |
| Armagh | 12,432 | 23.0 | 2 | |
| Belfast East | 1,827 | 4.3 | 3 | |
| Belfast North | 2,743 | 5.5 | 3 | |
| Belfast South | 1,159 | 3.0 | 3 | |
| Belfast West | 3,256 | 6.3 | 4 | |
| Fermanagh and South Tyrone | 14,645 | 26.9 | 2 | |
| Londonderry | 21,123 | 35.9 | 2 | |
| Mid Ulster | 22,180 | 39.6 | 2 | |
| North Antrim | 4,424 | 9.9 | 2 | |
| North Down | 855 | 1.4 | 4 | |
| South Antrim | 3,830 | 5.7 | 3 | |
| South Down | 11,031 | 19.8 | 3 |
1966 general election
These Sinn Féin members stood as Independent Republican candidates.| Constituency | Candidate | Votes | % | Position |
| Armagh | 13,467 | 28.0 | 2 | |
| Fermanagh and South Tyrone | 10,370 | 19.1 | 3 | |
| Londonderry | 2,860 | 4.8 | 3 | |
| Mid Ulster | 27,168 | 47.8 | 2 | |
| South Down | 8,917 | 17.4 | 3 |
By-elections, 1979–83
These Sinn Féin members stood as Anti H-Block candidates.| Election | Candidate | Votes | % | Position |
| April 1981 Fermanagh and South Tyrone by-election | 30,493 | 51.2 | 1 | |
| August 1981 Fermanagh and South Tyrone by-election | 31,278 | 49.1 | 1 |
1983 general election
By-elections, 1983–87
1987 general election
By-elections, 1987–92
1992 general election
1997 general election
By-elections, 1997–2001
2001 general election
2005 general election
2010 general election
By-elections, 2010–15
2015 general election
2017 general election
By-elections, 2017-2019
2019 general election
Sinn Féin did not stand candidates in Belfast East, Belfast South or North Down in order to aid anti-Brexit and anti-Democratic Unionist Party candidates in those constituencies.| Constituency | Candidate | Votes | % | Position |
| Belfast North | 23,078 | 47.1 | 1 | |
| Belfast West | 20,866 | 53.8 | 1 | |
| East Antrim | 2,120 | 5.7 | 4 | |
| East Londonderry | 6,128 | 15.6 | 3 | |
| Fermanagh and South Tyrone | 21,986 | 43.3 | 1 | |
| Foyle | 9,771 | 20.7 | 2 | |
| Lagan Valley | 1,098 | 2.4 | 5 | |
| Mid Ulster | 20,473 | 45.9 | 1 | |
| Newry and Armagh | 20,287 | 40.0 | 1 | |
| North Antrim | 5,632 | 12.8 | 4 | |
| South Antrim | 4,887 | 11.4 | 4 | |
| South Down | 16,137 | 32.4 | 1 | |
| Strangford | 555 | 1.5 | 5 | |
| Upper Bann | 12,291 | 24.6 | 2 | |
| West Tyrone | 16,544 | 40.2 | 1 |