An election to the 58th Parliament of the United Kingdom for the constituency area of Romsey and Southampton North, held as part of the general election on 12 December 2019.
Conservative hold by Caroline Nokes with a majority of 10,872 - 21.2% - on a turnout of 75.3%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| NOKES, Caroline | Con | 27,862 | 54.2% | -3.0% |
| FLETCHER, Craig | LD | 16,990 | 33.1% | 11.9% |
| RANSOM, Claire | Lab | 5,898 | 11.5% | -7.7% |
| BENTLEY, Geoff | UKIP | 640 | 1.2% | - |
Under section 13(b) of the Representation of the People Act 1985, a candidate gaining 5% or less of the vote share will forfeit their deposit.
An electorate of 68,228, having a valid vote count of 51,390 and an invalid vote count of 187.
Result declared at 03:40 on 13 December 2019.