| 1 | Sat 12 Aug 2023 | 12-2 v Maldon & TiptreeMaldon & Tiptree 2-2 Felixstowe & Walton United | Isthmian League - North Division |
| 2 | Sat 19 Aug 2023 | 14-1 v Wellingborough TownWellingborough Town 1-4 Felixstowe & Walton United | Emirates FA Cup Preliminary Round |
| 3 | Sat 26 Aug 2023 | 13-0 v Bury TownFelixstowe & Walton United 3-0 Bury Town | Isthmian League - North Division |
| 4 | Mon 28 Aug 2023 | 12-2 v Stowmarket TownStowmarket Town 2-2 Felixstowe & Walton United | Isthmian League - North Division |
| 5 | Sat 2 Sep 2023 | 14-1 v Woodford TownWoodford Town 1-4 Felixstowe & Walton United | Emirates FA Cup First Qualifying Round |
| 6 | Sat 9 Sep 2023 | 12-0 v Brentwood TownFelixstowe & Walton United 2-0 Brentwood Town | Isuzu FA Trophy First Qualifying Round |
| 7 | Sat 16 Sep 2023 | 10-3 v Enfield TownEnfield Town 3-0 Felixstowe & Walton United | Emirates FA Cup Second Qualifying Round |
| 8 | Tue 19 Sep 2023 | 13-2 v Bowers & PitseaFelixstowe & Walton United 3-2 Bowers & Pitsea | Isthmian League - North Division |
| 9 | Sat 23 Sep 2023 | 16-3 v Hertford TownFelixstowe & Walton United 6-3 Hertford Town | Isuzu FA Trophy Second Qualifying Round |
| 10 | Wed 27 Sep 2023 | 14-1 v LakenheathLakenheath 1-4 Felixstowe & Walton United | Suffolk County Cup |
| 11 | Sat 7 Oct 2023 | 13-4 v Billericay TownBillericay Town 4-3 Felixstowe & Walton United | Isuzu FA Trophy Third Qualifying Round |
| 12 | Tue 10 Oct 2023 | 15-3 v Brightlingsea RegentFelixstowe & Walton United 5-3 Brightlingsea Regent | Isthmian League - North Division |
| 13 | Sat 14 Oct 2023 | 11-1 v WalthamstowWalthamstow 1-1 Felixstowe & Walton United | Isthmian League - North Division |
| 14 | Tue 24 Oct 2023 | 14-0 v RedbridgeFelixstowe & Walton United 4-0 Redbridge | Isthmian League - North Division |
| 15 | Sat 28 Oct 2023 | 13-0 v Grays AthleticGrays Athletic 0-3 Felixstowe & Walton United | Isthmian League - North Division |
| 16 | Sat 4 Nov 2023 | 15-1 v EnfieldFelixstowe & Walton United 5-1 Enfield | Isthmian League - North Division |
| 17 | Sat 11 Nov 2023 | 13-2 v Heybridge SwiftsHeybridge Swifts 2-3 Felixstowe & Walton United | Isthmian League - North Division |
| 18 | Tue 21 Nov 2023 | 10-2 v WroxhamFelixstowe & Walton United 0-2 Wroxham | Isthmian League - North Division |
| 19 | Sat 25 Nov 2023 | 12-3 v Witham TownWitham Town 3-2 Felixstowe & Walton United | Isthmian League - North Division |
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