An election to the 57th Parliament of the United Kingdom for the constituency area of Bassetlaw, held as part of the general election on 8 June 2017.
Labour hold by John Mann with a majority of 4,852 - 9.3% - on a turnout of 66.5%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| MANN, John | Lab | 27,467 | 52.6% | 3.9% |
| SIMPSON, Annette | Con | 22,615 | 43.3% | 12.6% |
| DUVEEN, Leon | LD | 1,154 | 2.2% | -0.5% |
| TURNER, Nigel | Ind | 1,014 | 1.9% | - |
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 78,540, having a valid vote count of 52,250 and an invalid vote count of 127.
Result declared at 03:52 on 9 June 2017.