An election to the 57th Parliament of the United Kingdom for the constituency area of Vale Of Clwyd, held as part of the general election on 8 June 2017.
Labour gain from Conservatives by Chris Ruane with a majority of 2,379 - 6.1% - on a turnout of 68.0%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| RUANE, Chris | Lab | 19,423 | 50.2% | 11.9% |
| DAVIES, James | Con | 17,044 | 44.1% | 5.0% |
| WYATT, David | PC | 1,551 | 4.0% | -3.0% |
| WILLIAMS, Gwyn | LD | 666 | 1.7% | -0.9% |
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 56,890, having a valid vote count of 38,684 and an invalid vote count of 91.
Result declared at 01:40 on 9 June 2017.