| 1 | Sat 11 Sep 2021 | 11-0 v Weston-super-MareHarrow Borough 1-0 Weston-super-Mare | Southern League - Premier South |
| 2 | Sat 18 Sep 2021 | 12-0 v Welling UnitedWelling United 0-2 Harrow Borough | Emirates FA Cup Second Qualifying Round |
| 3 | Sat 25 Sep 2021 | 12-0 v Dorchester TownHarrow Borough 2-0 Dorchester Town | Southern League - Premier South |
| 4 | Sat 2 Oct 2021 | 12-1 v MarlowHarrow Borough 2-1 Marlow | Emirates FA Cup Third Qualifying Round |
| 5 | Tue 5 Oct 2021 | 11-2 v Walton CasualsWalton Casuals 2-1 Harrow Borough | CSS League Challenge Cup First Round |
| 6 | Sat 9 Oct 2021 | 11-2 v Truro CityTruro City 2-1 Harrow Borough | Southern League - Premier South |
| 7 | Tue 12 Oct 2021 | 13-1 v Beaconsfield TownHarrow Borough 3-1 Beaconsfield Town | Southern League - Premier South |
| 8 | Sat 16 Oct 2021 | 14-2 v Chelmsford CityHarrow Borough 4-2 Chelmsford City | Emirates FA Cup Fourth Qualifying Round |
| 9 | Tue 19 Oct 2021 | 12-0 v Kings LangleyKings Langley 0-2 Harrow Borough | Southern League - Premier South |
| 10 | Sat 23 Oct 2021 | 12-0 v Wimborne TownHarrow Borough 2-0 Wimborne Town | Southern League - Premier South |
| 11 | Tue 26 Oct 2021 | 11-0 v Gosport BoroughHarrow Borough 1-0 Gosport Borough | Southern League - Premier South |
| 12 | Sat 6 Nov 2021 | 10-1 v PortsmouthPortsmouth 1-0 Harrow Borough | Emirates FA Cup First Round |
| 13 | Sat 13 Nov 2021 | 10-3 v LeistonLeiston 3-0 Harrow Borough | Buildbase FA Trophy First Round |
| 14 | Tue 16 Nov 2021 | 11-4 v Metropolitan PoliceHarrow Borough 1-4 Metropolitan Police | Southern League - Premier South |
| 15 | Sat 20 Nov 2021 | 12-1 v Merthyr TownMerthyr Town 1-2 Harrow Borough | Southern League - Premier South |
| 16 | Tue 23 Nov 2021 | 14-2 v Swindon SupermarineSwindon Supermarine 2-4 Harrow Borough | Southern League - Premier South |
| 17 | Wed 1 Dec 2021 | 11-2 v FarnboroughHarrow Borough 1-2 Farnborough | Southern League - Premier South |
| 18 | Sat 4 Dec 2021 | 11-3 v Dorchester TownDorchester Town 3-1 Harrow Borough | Southern League - Premier South |
| 19 | Tue 7 Dec 2021 | 10-0 v Chesham UnitedChesham United 0-0 Harrow Borough | Southern League - Premier South |
| 20 | Sat 11 Dec 2021 | 10-4 v Chesham UnitedHarrow Borough 0-4 Chesham United | Southern League - Premier South |
| 21 | Tue 14 Dec 2021 | 13-2 v Tiverton TownHarrow Borough 3-2 Tiverton Town | Southern League - Premier South |
| 22 | Tue 21 Dec 2021 | 11-7 v Taunton TownTaunton Town 7-1 Harrow Borough | Southern League - Premier South |
| 23 | Tue 11 Jan 2022 | 10-0 v Corinthian-CasualsCorinthian-Casuals 0-0 Harrow Borough | London County Cup First Round |
| 24 | Sat 15 Jan 2022 | 11-2 v Yate TownYate Town 2-1 Harrow Borough | Southern League - Premier South |
| 25 | Sat 22 Jan 2022 | 11-3 v Gosport BoroughGosport Borough 3-1 Harrow Borough | Southern League - Premier South |
| 26 | Sat 29 Jan 2022 | 16-3 v Truro CityHarrow Borough 6-3 Truro City | Southern League - Premier South |
| 27 | Tue 1 Feb 2022 | 10-1 v Hayes & Yeading UnitedHarrow Borough 0-1 Hayes & Yeading United | Southern League - Premier South |
| 28 | Sat 5 Feb 2022 | 11-6 v Beaconsfield TownBeaconsfield Town 6-1 Harrow Borough | Southern League - Premier South |
| 29 | Sat 12 Feb 2022 | 10-1 v Kings LangleyHarrow Borough 0-1 Kings Langley | Southern League - Premier South |
| 30 | Tue 15 Feb 2022 | 12-4 v Hayes & Yeading UnitedHayes & Yeading United 4-2 Harrow Borough | Southern League - Premier South |
| 31 | Sat 26 Feb 2022 | 13-2 v Taunton TownHarrow Borough 3-2 Taunton Town | Southern League - Premier South |
| 32 | Sat 5 Mar 2022 | 12-2 v Swindon SupermarineHarrow Borough 2-2 Swindon Supermarine | Southern League - Premier South |
| 33 | Sat 12 Mar 2022 | 12-1 v Hartley WintneyHarrow Borough 2-1 Hartley Wintney | Southern League - Premier South |
| 34 | Sat 19 Mar 2022 | 11-2 v Tiverton TownTiverton Town 2-1 Harrow Borough | Southern League - Premier South |
| 35 | Sat 26 Mar 2022 | 11-1 v Merthyr TownHarrow Borough 1-1 Merthyr Town | Southern League - Premier South |
| 36 | Sat 2 Apr 2022 | 11-1 v Metropolitan PoliceMetropolitan Police 1-1 Harrow Borough | Southern League - Premier South |
| 37 | Tue 5 Apr 2022 | 14-1 v Wimborne TownWimborne Town 1-4 Harrow Borough | Southern League - Premier South |
| 38 | Sat 9 Apr 2022 | 10-0 v SalisburyHarrow Borough 0-0 Salisbury | Southern League - Premier South |
| 39 | Sat 16 Apr 2022 | 10-3 v Poole TownPoole Town 3-0 Harrow Borough | Southern League - Premier South |
| 40 | Mon 18 Apr 2022 | 10-0 v Walton CasualsHarrow Borough 0-0 Walton Casuals | Southern League - Premier South |
| 41 | Sat 23 Apr 2022 | 11-2 v Weston-super-MareWeston-super-Mare 2-1 Harrow Borough | Southern League - Premier South |
Football Web Pages