| 1 | Sat 8 Jul 2023 | 14-4 v Waltham AbbeyGrays Athletic 4-4 Waltham Abbey | Friendly |
| 2 | Sat 15 Jul 2023 | 10-0 v Buckhurst HillGrays Athletic 0-0 Buckhurst Hill | Friendly |
| 3 | Tue 18 Jul 2023 | 12-2 v FrenfordFrenford 2-2 Grays Athletic | Friendly |
| 4 | Sat 22 Jul 2023 | 11-3 v TilburyTilbury 3-1 Grays Athletic | Friendly |
| 5 | Tue 1 Aug 2023 | 11-1 v Canvey IslandCanvey Island 1-1 Grays Athletic | Friendly |
| 6 | Sat 5 Aug 2023 | 11-2 v Enfield TownEnfield Town 2-1 Grays Athletic | Friendly |
| 7 | Sat 12 Aug 2023 | 1 0-3 v EnfieldEnfield 3-0 Grays Athletic | Isthmian League - North Division |
| 8 | Sat 19 Aug 2023 | 11-1 v New SalamisGrays Athletic 1-1 New Salamis | Emirates FA Cup Preliminary Round |
| 9 | Wed 23 Aug 2023 | 11-3 v New SalamisNew Salamis 3-1 Grays Athletic | Emirates FA Cup Preliminary Round Replay |
| 10 | Sat 26 Aug 2023 | 10-2 v GorlestonGrays Athletic 0-2 Gorleston | Isthmian League - North Division |
| 11 | Mon 28 Aug 2023 | 1 1-1 v Maldon & TiptreeMaldon & Tiptree 1-1 Grays Athletic | Isthmian League - North Division |
| 12 | Sat 16 Sep 2023 | 12-2 v Bury TownGrays Athletic 2-2 Bury Town | Isthmian League - North Division |
| 13 | Sat 30 Sep 2023 | 12-3 v Lowestoft TownGrays Athletic 2-3 Lowestoft Town | Isthmian League - North Division |
| 14 | Sat 7 Oct 2023 | 11-1 v WroxhamWroxham 1-1 Grays Athletic | Isthmian League - North Division |
| 15 | Sat 14 Oct 2023 | 12-4 v New SalamisGrays Athletic 2-4 New Salamis | Isthmian League - North Division |
| 16 | Sat 4 Nov 2023 | 11-2 v Brightlingsea RegentBrightlingsea Regent 2-1 Grays Athletic | Isthmian League - North Division |
| 17 | Fri 10 Nov 2023 | 11-1 v Basildon UnitedGrays Athletic 1-1 Basildon United | Isthmian League - North Division |
| 18 | Sat 25 Nov 2023 | 12-0 v Stowmarket TownStowmarket Town 0-2 Grays Athletic | Isthmian League - North Division |
| 19 | Sat 16 Dec 2023 | 14-0 v EnfieldGrays Athletic 4-0 Enfield | Isthmian League - North Division |
| 20 | Tue 26 Dec 2023 | 11-3 v Bowers & PitseaBowers & Pitsea 3-1 Grays Athletic | Isthmian League - North Division |
| 21 | Sat 30 Dec 2023 | 11-3 v Bury TownBury Town 3-1 Grays Athletic | Isthmian League - North Division |
| 22 | Mon 1 Jan 2024 | 10-1 v Maldon & TiptreeGrays Athletic 0-1 Maldon & Tiptree | Isthmian League - North Division |
| 23 | Sat 13 Jan 2024 | 11-3 v Heybridge SwiftsGrays Athletic 1-3 Heybridge Swifts | Isthmian League - North Division |
| 24 | Tue 23 Jan 2024 | 14-1 v Ipswich WanderersIpswich Wanderers 1-4 Grays Athletic | Isthmian League - North Division |
| 25 | Sat 27 Jan 2024 | 10-2 v Lowestoft TownLowestoft Town 2-0 Grays Athletic | Isthmian League - North Division |
| 26 | Tue 30 Jan 2024 | 13-1 v Witham TownGrays Athletic 3-1 Witham Town | Isthmian League - North Division |
| 27 | Sat 3 Feb 2024 | 11-1 v WroxhamGrays Athletic 1-1 Wroxham | Isthmian League - North Division |
| 28 | Fri 9 Feb 2024 | 12-3 v New SalamisNew Salamis 3-2 Grays Athletic | Isthmian League - North Division |
| 29 | Sat 17 Feb 2024 | 10-4 v WalthamstowGrays Athletic 0-4 Walthamstow | Isthmian League - North Division |
| 30 | Sat 24 Feb 2024 | 1 2-3 v Felixstowe & Walton UnitedFelixstowe & Walton United 3-2 Grays Athletic | Isthmian League - North Division |
| 31 | Sat 9 Mar 2024 | 11-2 v Basildon UnitedBasildon United 2-1 Grays Athletic | Isthmian League - North Division |
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