An election to the 58th Parliament of the United Kingdom for the constituency area of Mid Dorset and North Poole, held as part of the general election on 12 December 2019.
Conservative hold by Michael Tomlinson with a majority of 14,898 - 30.4% - on a turnout of 74.8%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| TOMLINSON, Michael | Con | 29,548 | 60.4% | 1.1% |
| SLADE, Vikki | LD | 14,650 | 29.9% | 2.5% |
| OLDALE, Joanne | Lab | 3,402 | 7.0% | -6.4% |
| CARSWELL, Natalie | Green | 1,330 | 2.7% | - |
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 65,427, having a valid vote count of 48,930 and an invalid vote count of 152.
Result declared at 04:48 on 13 December 2019.