CONSTITUENCY RESULT : Lewes
| Candidate name | Party | Gender | Number of votes | Share (%) | Change vs. 2017 for party (percentage points) | ||
| Maria Caulfield | Conservative | Female | 26,268 | 47.9% | -1.6 | ||
| Oli Henman | Liberal Democrat | Male | 23,811 | 43.4% | +4.1 | ||
| Kate Chappell | Labour | Female | 3,206 | 5.8% | -5.3 | ||
| Johnny Denis | Green | Male | 1,453 | 2.6% | 0.0 | ||
| Paul Cragg | Independent | Male | 113 | 0.2% | 0.0 |
| Election statistics | ||
| Majority | ||
| Votes | 2,457 | |
| Percent | 4.5% | |
| Rank (1 = highest %) | 586 | |
| Turnout | ||
| Constituency | 76.7% | |
| Region | 70.2% | |
| UK | 67.3% | |
| Constituency in 2017 | 76.4% | |
| Size of electorate | 71,503 | |
| Valid votes cast | 54,851 |