2017 General Election - Arfon
| Year | 2017 |
| General election | 2017 General Election |
| Constituency | Arfon |
| Turnout | 68.2% |
Results
| Candidate | Party | Votes |
| Williams, Hywel | Plaid Cymru | 11,519 |
| Clarke, Mary Griffiths | Labour | 11,427 |
| Parry, Philippa | Conservative | 4,614 |
| Davies, Calum | Liberal Democrats | 648 |