An election to the 57th Parliament of the United Kingdom for the constituency area of Ilford South, held as part of the general election on 8 June 2017.
Labour hold by Mike Gapes with a majority of 31,647 - 54.9% - on a turnout of 67.5%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| GAPES, Mike | Lab / Co-op | 43,724 | 75.8% | 11.8% |
| CHAPMAN, Chris | Con | 12,077 | 20.9% | -5.0% |
| AHMED, Farid | LD | 772 | 1.3% | -0.6% |
| WARRINGTON, RoseMary | Green | 542 | 0.9% | -2.0% |
| SAEED, Tariq | UKIP | 477 | 0.8% | -4.4% |
| KHAN, Kane | Frnd | 65 | 0.1% | - |
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 85,358, having a valid vote count of 57,657 and an invalid vote count of 146.
Result declared at 05:33 on 9 June 2017.