| 1 | Tue 1 Aug 2023 | 31-1 v Canvey IslandCanvey Island 1-1 Grays Athletic | Friendly |
| 2 | Sat 5 Aug 2023 | 31-2 v Enfield TownEnfield Town 2-1 Grays Athletic | Friendly |
| 3 | Sat 12 Aug 2023 | 30-3 v EnfieldEnfield 3-0 Grays Athletic | Isthmian League - North Division |
| 4 | Sat 19 Aug 2023 | 3 1-1 v New SalamisGrays Athletic 1-1 New Salamis | Emirates FA Cup Preliminary Round |
| 5 | Wed 23 Aug 2023 | 31-3 v New SalamisNew Salamis 3-1 Grays Athletic | Emirates FA Cup Preliminary Round Replay |
| 6 | Sat 26 Aug 2023 | 30-2 v GorlestonGrays Athletic 0-2 Gorleston | Isthmian League - North Division |
| 7 | Mon 28 Aug 2023 | 3 1-1 v Maldon & TiptreeMaldon & Tiptree 1-1 Grays Athletic | Isthmian League - North Division |
| 8 | Sat 9 Sep 2023 | 32-3 v Hertford TownHertford Town 3-2 Grays Athletic | Isuzu FA Trophy First Qualifying Round |
| 9 | Sat 7 Oct 2023 | 71-1 v WroxhamWroxham 1-1 Grays Athletic | Isthmian League - North Division |
| 10 | Sat 14 Oct 2023 | 72-4 v New SalamisGrays Athletic 2-4 New Salamis | Isthmian League - North Division |
| 11 | Sat 21 Oct 2023 | 31-1 v WalthamstowWalthamstow 1-1 Grays Athletic | Isthmian League - North Division |
| 12 | Sat 28 Oct 2023 | 3 0-3 v Felixstowe & Walton UnitedGrays Athletic 0-3 Felixstowe & Walton United | Isthmian League - North Division |
| 13 | Sat 4 Nov 2023 | 31-2 v Brightlingsea RegentBrightlingsea Regent 2-1 Grays Athletic | Isthmian League - North Division |
| 14 | Fri 10 Nov 2023 | 31-1 v Basildon UnitedGrays Athletic 1-1 Basildon United | Isthmian League - North Division |
| 15 | Sat 18 Nov 2023 | 30-3 v Brentwood TownGrays Athletic 0-3 Brentwood Town | Isthmian League - North Division |
| 16 | Wed 22 Nov 2023 | 115-4 v Athletic NewhamAthletic Newham 4-5 Grays Athletic | Essex County Cup Third Round |
| 17 | Sat 25 Nov 2023 | 32-0 v Stowmarket TownStowmarket Town 0-2 Grays Athletic | Isthmian League - North Division |
| 18 | Sat 16 Dec 2023 | 34-0 v EnfieldGrays Athletic 4-0 Enfield | Isthmian League - North Division |
| 19 | Tue 26 Dec 2023 | 31-3 v Bowers & PitseaBowers & Pitsea 3-1 Grays Athletic | Isthmian League - North Division |
| 20 | Sat 30 Dec 2023 | 31-3 v Bury TownBury Town 3-1 Grays Athletic | Isthmian League - North Division |
| 21 | Mon 1 Jan 2024 | 30-1 v Maldon & TiptreeGrays Athletic 0-1 Maldon & Tiptree | Isthmian League - North Division |
| 22 | Sat 13 Jan 2024 | 3 1-3 v Heybridge SwiftsGrays Athletic 1-3 Heybridge Swifts | Isthmian League - North Division |
| 23 | Sat 17 Feb 2024 | 30-4 v WalthamstowGrays Athletic 0-4 Walthamstow | Isthmian League - North Division |
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