Iain McKenzie Elections contested
Parliament Member page for Iain McKenzie
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 |
| 7 May 2015 | Inverclyde | General election | Lab | 13,522 | 30.3% | 2nd |
| 30 June 2011 | Inverclyde | By-election | Lab | 15,118 | 53.8% | 1st |