An election to the 58th Parliament of the United Kingdom for the constituency area of Chesham and Amersham, held as part of the general election on 12 December 2019.
Conservative hold by Cheryl Gillan with a majority of 16,223 - 29.1% - on a turnout of 76.8%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| GILLAN, Cheryl | Con | 30,850 | 55.4% | -5.3% |
| GALLAGHER, Dan | LD | 14,627 | 26.3% | 13.3% |
| TURMAINE, Matt | Lab | 7,166 | 12.9% | -7.7% |
| BOOTH, Alan | Green | 3,042 | 5.5% | 2.5% |
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 72,542, having a valid vote count of 55,685 and an invalid vote count of 289.
Result declared at 03:46 on 13 December 2019.