An election to the 57th Parliament of the United Kingdom for the constituency area of Mid Dorset and North Poole, held as part of the general election on 8 June 2017.
Conservative hold by Michael Tomlinson with a majority of 15,339 - 31.8% - on a turnout of 74.2%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| TOMLINSON, Michael | Con | 28,585 | 59.2% | 8.4% |
| SLADE, Vikki | LD | 13,246 | 27.5% | -0.7% |
| BREW, Steve | Lab | 6,423 | 13.3% | 7.4% |
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 65,050, having a valid vote count of 48,254 and an invalid vote count of 145.
Result declared at 04:23 on 9 June 2017.