An election to the 57th Parliament of the United Kingdom for the constituency area of Sefton Central, held as part of the general election on 8 June 2017.
Labour hold by Bill Esterson with a majority of 15,618 - 30.0% - on a turnout of 75.5%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| ESTERSON, Bill | Lab | 32,830 | 63.0% | 9.3% |
| MARSDEN, Jade | Con | 17,212 | 33.0% | 3.4% |
| LEWIS, Daniel | LD | 1,381 | 2.7% | -1.6% |
| CARTER, Mike | Green | 656 | 1.3% | -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 69,019, having a valid vote count of 52,079 and an invalid vote count of 128.
Result declared at 01:54 on 9 June 2017.