1857 General Election - Portsmouth
| Year | 1857 |
| General election | 1857 General Election |
| Constituency | Portsmouth |
| Turnout | 61.2% |
Results
| Candidate | Party | Votes |
| Dalrymple-Horn-Elphinstone, James | Conservative | 1,522 |
| Baring, Francis Thornhill | Whig | 1,496 |
| Monck, Charles Stanley | Whig | 1,476 |