CONSTITUENCY RESULT : South Swindon
| Candidate name | Party | Gender | Number of votes | Share (%) | Change vs. 2017 for party (percentage points) | ||
| Robert Buckland | Conservative | Male | 26,536 | 52.3% | +3.9 | ||
| Sarah Church | Labour and Co-operative | Female | 19,911 | 39.2% | -4.3 | ||
| Stan Pajak | Liberal Democrat | Male | 4,299 | 8.5% | +4.4 |
| Election statistics | ||
| Majority | ||
| Votes | 6,625 | |
| Percent | 13.1% | |
| Rank (1 = highest %) | 460 | |
| Turnout | ||
| Constituency | 69.4% | |
| Region | 72.0% | |
| UK | 67.3% | |
| Constituency in 2017 | 70.8% | |
| Size of electorate | 73,118 | |
| Valid votes cast | 50,746 |