An election to the 57th Parliament of the United Kingdom for the constituency area of Twickenham, held as part of the general election on 8 June 2017.
Liberal Democrats gain from Conservative by Vince Cable with a majority of 9,762 - 14.7% - on a turnout of 79.5%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| CABLE, Vince | LD | 34,969 | 52.8% | 14.7% |
| MATHIAS, Tania | Con | 25,207 | 38.0% | -3.2% |
| DUNNE, Katherine | Lab | 6,114 | 9.2% | -2.3% |
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 83,362, having a valid vote count of 66,290 and an invalid vote count of 143.
Result declared at 02:54 on 9 June 2017.