An election to the 58th Parliament of the United Kingdom for the constituency area of Argyll and Bute, held as part of the general election on 12 December 2019.
SNP hold by Brendan O'Hara with a majority of 4,110 - 8.6% - on a turnout of 72.2%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| O'HARA, Brendan | SNP | 21,040 | 43.8% | 7.8% |
| MULVANEY, Gary | Con | 16,930 | 35.2% | 2.0% |
| REID, Alan | LD | 6,832 | 14.2% | -4.0% |
| BARNES, Rhea | Lab | 3,248 | 6.8% | -5.8% |
Under section 13(b) of the Representation of the People Act 1985, a candidate gaining 5% or less of the vote share will forfeit their deposit.
An electorate of 66,525, having a valid vote count of 48,050 and an invalid vote count of 142.
Result declared at 05:43 on 13 December 2019.