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 |
| West Tyrone | BUCHANAN, Thomas | 64,009 | 67.9% | 11,718 | 26.9% | 9.5% | 2nd |
| Upper Bann | SIMPSON, David | 80,168 | 63.9% | 22,317 | 43.5% | 10.9% | 1st |
| Strangford | SHANNON, Jim | 64,327 | 60.2% | 24,036 | 62.0% | 17.7% | 1st |
| South Down | FORSYTHE, Diane | 75,685 | 67.2% | 8,867 | 17.4% | 9.3% | 3rd |
| South Antrim | GIRVAN, Paul | 68,244 | 63.3% | 16,508 | 38.2% | 8.1% | 1st |
| North Down | EASTON, Alex | 64,334 | 60.9% | 14,940 | 38.1% | 14.5% | 2nd |
| North Antrim | PAISLEY, Ian | 75,657 | 64.1% | 28,521 | 58.9% | 15.6% | 1st |
| 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 |
| Lagan Valley | DONALDSON, Jeffrey M. | 72,380 | 62.1% | 26,762 | 59.6% | 11.7% | 1st |
| Foyle | MIDDLETON, Gary | 70,324 | 65.4% | 7,398 | 16.1% | 3.7% | 3rd |
| East Londonderry | CAMPBELL, Gregory | 67,038 | 61.2% | 19,723 | 48.1% | 5.8% | 1st |
| East Antrim | WILSON, Sammy | 62,908 | 60.6% | 21,873 | 57.3% | 21.2% | 1st |
| Belfast West | MCCOUBREY, Frank | 62,423 | 65.1% | 5,455 | 13.4% | 5.6% | 2nd |
| Belfast South | LITTLE PENGELLY, Emma | 66,105 | 66.1% | 13,299 | 30.4% | 8.2% | 1st |
| Belfast North | DODDS, Nigel | 68,249 | 67.3% | 21,240 | 46.2% | -0.8% | 1st |
| Belfast East | ROBINSON, Gavin | 63,495 | 67.5% | 23,917 | 55.8% | 6.4% | 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.