| 1 | Sat 14 Aug 2021 | 62-4 v Enfield TownCarshalton Athletic 2-4 Enfield Town | Isthmian League - Premier Division |
| 2 | Sat 21 Aug 2021 | 60-0 v MargateMargate 0-0 Carshalton Athletic | Isthmian League - Premier Division |
| 3 | Sat 28 Aug 2021 | 6 2-0 v Bishop's StortfordCarshalton Athletic 2-0 Bishop's Stortford | Isthmian League - Premier Division |
| 4 | Mon 30 Aug 2021 | 63-0 v LeatherheadLeatherhead 0-3 Carshalton Athletic | Isthmian League - Premier Division |
| 5 | Sat 4 Sep 2021 | 63-0 v KenningtonKennington 0-3 Carshalton Athletic | Emirates FA Cup First Qualifying Round |
| 6 | Sat 11 Sep 2021 | 60-1 v Bognor Regis TownBognor Regis Town 1-0 Carshalton Athletic | Isthmian League - Premier Division |
| 7 | Mon 13 Sep 2021 | 60-0 v Bowers & PitseaCarshalton Athletic 0-0 Bowers & Pitsea | Isthmian League - Premier Division |
| 8 | Sat 18 Sep 2021 | 61-2 v Ebbsfleet UnitedCarshalton Athletic 1-2 Ebbsfleet United | Emirates FA Cup Second Qualifying Round |
| 9 | Sat 25 Sep 2021 | 63-1 v CheshuntCheshunt 1-3 Carshalton Athletic | Isthmian League - Premier Division |
| 10 | Sat 2 Oct 2021 | 61-3 v Cray WanderersCarshalton Athletic 1-3 Cray Wanderers | Isthmian League - Premier Division |
| 11 | Sat 9 Oct 2021 | 61-1 v Wingate & FinchleyWingate & Finchley 1-1 Carshalton Athletic | Isthmian League - Premier Division |
| 12 | Sat 16 Oct 2021 | 64-1 v East Thurrock UnitedCarshalton Athletic 4-1 East Thurrock United | Isthmian League - Premier Division |
| 13 | Sat 23 Oct 2021 | 61-1 v Haringey BoroughHaringey Borough 1-1 Carshalton Athletic | Isthmian League - Premier Division |
| 14 | Sat 30 Oct 2021 | 63-2 v HorshamHorsham 2-3 Carshalton Athletic | Buildbase FA Trophy Third Qualifying Round |
| 15 | Tue 2 Nov 2021 | 60-1 v LewesLewes 1-0 Carshalton Athletic | Isthmian League - Premier Division |
| 16 | Sat 6 Nov 2021 | 66-1 v Brightlingsea RegentCarshalton Athletic 6-1 Brightlingsea Regent | Isthmian League - Premier Division |
| 17 | Mon 8 Nov 2021 | 6 5-0 v Folkestone InvictaCarshalton Athletic 5-0 Folkestone Invicta | Isthmian League - Premier Division |
| 18 | Sat 13 Nov 2021 | 6 1-2 v Welwyn Garden CityWelwyn Garden City 2-1 Carshalton Athletic | Buildbase FA Trophy First Round |
| 19 | Mon 22 Nov 2021 | 6 0-1 v HorshamCarshalton Athletic 0-1 Horsham | Isthmian League - Premier Division |
| 20 | Sat 27 Nov 2021 | 63-3 v LeatherheadCarshalton Athletic 3-3 Leatherhead | Isthmian League - Premier Division |
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