An election to the 57th Parliament of the United Kingdom for the constituency area of Tooting, held as part of the general election on 8 June 2017.
Labour hold by Rosena Allin-Khan with a majority of 15,458 - 26.6% - on a turnout of 74.6%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| ALLIN-KHAN, Rosena | Lab | 34,694 | 59.6% | 12.4% |
| WATKINS, Dan | Con | 19,236 | 33.1% | -8.8% |
| GLASSBROOK, Alexander | LD | 3,057 | 5.3% | 1.3% |
| OBIRI-DARKO, Esther | Green | 845 | 1.5% | -2.7% |
| COSHALL, Ryan | UKIP | 339 | 0.6% | -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 77,971, having a valid vote count of 58,171 and an invalid vote count of 133.
Result declared at 01:24 on 9 June 2017.