An election to the 57th Parliament of the United Kingdom for the constituency area of Wentworth and Dearne, held as part of the general election on 8 June 2017.
Labour hold by John Healey with a majority of 14,803 - 33.7% - on a turnout of 58.7%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| HEALEY, John | Lab | 28,547 | 65.0% | 8.1% |
| JACKSON, Steven | Con | 13,744 | 31.3% | 16.4% |
| MIDDLETON, Janice | LD | 1,656 | 3.8% | 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 74,890, having a valid vote count of 43,947 and an invalid vote count of 280.
Result declared at 03:54 on 9 June 2017.