An election to the 57th Parliament of the United Kingdom for the constituency area of Aberconwy, held as part of the general election on 8 June 2017.
Conservative hold by Guto Bebb with a majority of 635 - 2.0% - on a turnout of 71.0%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| BEBB, Guto | Con | 14,337 | 44.6% | 3.1% |
| OWEN, Emily | Lab | 13,702 | 42.6% | 14.4% |
| JONES, Wyn | PC | 3,170 | 9.9% | -1.9% |
| LESITER-BURGESS, Sarah | LD | 941 | 2.9% | -1.7% |
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 45,251, having a valid vote count of 32,150 and an invalid vote count of 78.
Result declared at 02:31 on 9 June 2017.