Brendan O'Hara Elections contested
Parliament Member page for Brendan O'Hara
Elections listed as contested and won are those forming part of any general election or by-election contested since since the 2010 general election. A person may have contested an election outside of this grouping.
| Election | Constituency | Election type | Party | Vote count | Vote share | Position |
| 4 July 2024 | Argyll, Bute and South Lochaber | General election | SNP | - | - | 1st |
| 12 December 2019 | Argyll and Bute | General election | SNP | 21,040 | 43.8% | 1st |
| 8 June 2017 | Argyll and Bute | General election | SNP | 17,304 | 36.0% | 1st |
| 7 May 2015 | Argyll and Bute | General election | SNP | 22,959 | 44.3% | 1st |