Results for the UK general election on 8 June 2017 Northern Ireland - Elections contested by Democratic Unionist Party
| Constituency | Candidate | Electorate | Turnout | Votes | Vote share | Vote change | Position |
| Newry and Armagh | IRWIN, William | 78,266 | 68.5% | 13,177 | 24.6% | - | 2nd |
| Mid Ulster | BUCHANAN, Keith | 68,485 | 68.2% | 12,565 | 26.9% | 13.6% | 2nd |
| West Tyrone | BUCHANAN, Thomas | 64,009 | 67.9% | 11,718 | 26.9% | 9.5% | 2nd |
| Belfast East | ROBINSON, Gavin | 63,495 | 67.5% | 23,917 | 55.8% | 6.4% | 1st |
| Belfast North | DODDS, Nigel | 68,249 | 67.3% | 21,240 | 46.2% | -0.8% | 1st |
| South Down | FORSYTHE, Diane | 75,685 | 67.2% | 8,867 | 17.4% | 9.3% | 3rd |
| Belfast South | LITTLE PENGELLY, Emma | 66,105 | 66.1% | 13,299 | 30.4% | 8.2% | 1st |
| Foyle | MIDDLETON, Gary | 70,324 | 65.4% | 7,398 | 16.1% | 3.7% | 3rd |
| Belfast West | MCCOUBREY, Frank | 62,423 | 65.1% | 5,455 | 13.4% | 5.6% | 2nd |
| North Antrim | PAISLEY, Ian | 75,657 | 64.1% | 28,521 | 58.9% | 15.6% | 1st |
| Upper Bann | SIMPSON, David | 80,168 | 63.9% | 22,317 | 43.5% | 10.9% | 1st |
| South Antrim | GIRVAN, Paul | 68,244 | 63.3% | 16,508 | 38.2% | 8.1% | 1st |
| Lagan Valley | DONALDSON, Jeffrey M. | 72,380 | 62.1% | 26,762 | 59.6% | 11.7% | 1st |
| East Londonderry | CAMPBELL, Gregory | 67,038 | 61.2% | 19,723 | 48.1% | 5.8% | 1st |
| North Down | EASTON, Alex | 64,334 | 60.9% | 14,940 | 38.1% | 14.5% | 2nd |
| East Antrim | WILSON, Sammy | 62,908 | 60.6% | 21,873 | 57.3% | 21.2% | 1st |
| Strangford | SHANNON, Jim | 64,327 | 60.2% | 24,036 | 62.0% | 17.7% | 1st |
Turnout as calculated by the House of Commons Library, is the total number of votes cast and not spoiled, divided by the size of the electorate.
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.