An election to the 57th Parliament of the United Kingdom for the constituency area of Wirral South, held as part of the general election on 8 June 2017.
Labour hold by Alison McGovern with a majority of 8,323 - 18.4% - on a turnout of 78.4%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| MCGOVERN, Alison | Lab | 25,871 | 57.2% | 9.0% |
| SYKES, Adam | Con | 17,548 | 38.8% | 1.6% |
| CARUBIA, Chris | LD | 1,322 | 2.9% | -0.6% |
| ROBERTS, Mandi | Green | 454 | 1.0% | -1.1% |
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 57,670, having a valid vote count of 45,195 and an invalid vote count of 84.
Result declared at 02:23 on 9 June 2017.