January 1910 General Election - Horncastle
| Year | 1910 |
| General election | January 1910 General Election |
| Constituency | Horncastle |
| Turnout | 90.0% |
Results
| Candidate | Party | Votes |
| Heathcote-Drummond-Willoughby, Gilbert | Conservative | 5,162 |
| Conybeare, Charles Augustus Vansittart | Liberal | 4,292 |