An election to the 58th Parliament of the United Kingdom for the constituency area of Gillingham and Rainham, held as part of the general election on 12 December 2019.
Conservative hold by Rehman Chishti with a majority of 15,119 - 32.9% - on a turnout of 62.5%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| CHISHTI, Rehman | Con | 28,173 | 61.3% | 5.9% |
| STAMP, Andy | Lab | 13,054 | 28.4% | -7.7% |
| BULLION, Alan | LD | 2,503 | 5.4% | 2.6% |
| SALOMON, George | Green | 1,043 | 2.3% | 1.2% |
| MCCULLOCH MARTIN, Rob | UKIP | 837 | 1.8% | -2.5% |
| COOK, Peter | Ind | 229 | 0.5% | - |
| PEACOCK, Roger | CPA | 119 | 0.3% | 0.0% |
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 73,549, having a valid vote count of 45,958 and an invalid vote count of 138.
Result declared at 04:40 on 13 December 2019.