| Election Name: | 1997 Paisley South by-election |
| Country: | United Kingdom |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 1997 United Kingdom general election |
| Previous Year: | May 1997 |
| Next Election: | 2001 United Kingdom general election |
| Next Year: | 2001 |
| Election Date: | 6 November 1997 |
| Candidate1: | Douglas Alexander |
| Party1: | Labour Party (UK) |
| Popular Vote1: | 10,346 |
| Percentage1: | 44.1% |
| Swing1: | 13.4% |
| Party2: | Scottish National Party |
| Popular Vote2: | 7,615 |
| Percentage2: | 32.5% |
| Swing2: | 9.1% |
| Candidate4: | Eileen McCartin |
| Party4: | Liberal Democrats (UK) |
| Popular Vote4: | 2,582 |
| Percentage4: | 11.0% |
| Swing4: | 1.6% |
| Candidate5: | Sheila Laidlaw |
| Party5: | Conservative Party (UK) |
| Popular Vote5: | 1,643 |
| Percentage5: | 7.0% |
| Swing5: | 1.6% |
| MP | |
| Before Election: | Gordon McMaster |
| After Election: | Douglas Alexander |
| Before Party: | Labour Party (UK) |
| After Party: | Labour Party (UK) |
The previous UK Member of Parliament for Paisley South, Gordon McMaster, of the Labour Party; died on 28 July 1997.
The 1997 Paisley South by-election was held on 6 November 1997. It was a safe Labour seat, and despite a swing of 11% to the Scottish National Party; they did not win the constituency.