| 1 | Tue 1 Aug 2017 | 44-0 v Beaconsfield TownHarrow Borough 4-0 Beaconsfield Town | Friendly |
| 2 | Sat 12 Aug 2017 | 52-1 v Harlow TownHarrow Borough 2-1 Harlow Town | Bostik League Premier Division |
| 3 | Tue 15 Aug 2017 | 53-1 v Wingate & FinchleyWingate & Finchley 1-3 Harrow Borough | Bostik League Premier Division |
| 4 | Sat 26 Aug 2017 | 52-0 v Tonbridge AngelsHarrow Borough 2-0 Tonbridge Angels | Bostik League Premier Division |
| 5 | Mon 28 Aug 2017 | 5 0-6 v HendonHendon 6-0 Harrow Borough | Bostik League Premier Division |
| 6 | Sat 2 Sep 2017 | 51-2 v Enfield TownEnfield Town 2-1 Harrow Borough | Emirates FA Cup First Qualifying Round |
| 7 | Sat 9 Sep 2017 | 52-2 v MersthamHarrow Borough 2-2 Merstham | Bostik League Premier Division |
| 8 | Tue 12 Sep 2017 | 51-2 v Staines TownStaines Town 2-1 Harrow Borough | Bostik League Premier Division |
| 9 | Sat 23 Sep 2017 | 51-1 v MargateMargate 1-1 Harrow Borough | Bostik League Premier Division |
| 10 | Tue 26 Sep 2017 | 50-1 v Dulwich HamletHarrow Borough 0-1 Dulwich Hamlet | Bostik League Premier Division |
| 11 | Sat 30 Sep 2017 | 51-1 v Lowestoft TownLowestoft Town 1-1 Harrow Borough | Bostik League Premier Division |
| 12 | Tue 3 Oct 2017 | 53-0 v Wingate & FinchleyHarrow Borough 3-0 Wingate & Finchley | Bostik League Premier Division |
| 13 | Sat 7 Oct 2017 | 52-0 v KingstonianHarrow Borough 2-0 Kingstonian | Bostik League Premier Division |
| 14 | Sat 14 Oct 2017 | 51-2 v Harlow TownHarlow Town 2-1 Harrow Borough | Bostik League Premier Division |
| 15 | Sat 21 Oct 2017 | 51-2 v Brightlingsea RegentHarrow Borough 1-2 Brightlingsea Regent | Bostik League Premier Division |
| 16 | Sat 28 Oct 2017 | 51-1 v Haringey BoroughHarrow Borough 1-1 Haringey Borough | Buildbase FA Trophy First Qualifying Round |
| 17 | Mon 30 Oct 2017 | 50-1 v Haringey BoroughHaringey Borough 1-0 Harrow Borough | Buildbase FA Trophy First Qualifying Round |
| 18 | Sat 4 Nov 2017 | 5 2-5 v Tooting & Mitcham UnitedTooting & Mitcham United 5-2 Harrow Borough | Bostik League Premier Division |
| 19 | Tue 14 Nov 2017 | 50-2 v Dulwich HamletDulwich Hamlet 2-0 Harrow Borough | Bostik League Premier Division |
| 20 | Sat 18 Nov 2017 | 53-4 v Dorking WanderersHarrow Borough 3-4 Dorking Wanderers | Bostik League Premier Division |
| 21 | Tue 21 Nov 2017 | 51-2 v Staines TownHarrow Borough 1-2 Staines Town | Bostik League Premier Division |
| 22 | Sat 25 Nov 2017 | 52-2 v WorthingWorthing 2-2 Harrow Borough | Bostik League Premier Division |
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