| 1 | Sat 18 Aug 2018 | 43-2 v BarkingBarking 2-3 Witham Town | Bostik League North Division |
| 2 | Fri 24 Aug 2018 | 10 0-0 v Coggeshall TownCoggeshall Town 0-0 Witham Town | Emirates FA Cup Preliminary Round |
| 3 | Mon 27 Aug 2018 | 100-2 v Coggeshall TownCoggeshall Town 2-0 Witham Town | Bostik League North Division |
| 4 | Tue 4 Sep 2018 | 191-3 v Coggeshall TownWitham Town 1-3 Coggeshall Town | Emirates FA Cup Preliminary Round |
| 5 | Tue 11 Sep 2018 | 80-0 v Grays AthleticWitham Town 0-0 Grays Athletic | Velocity Trophy First Round |
| 6 | Sat 15 Sep 2018 | 40-2 v Dereham TownDereham Town 2-0 Witham Town | Bostik League North Division |
| 7 | Sat 22 Sep 2018 | 8 3-5 v Basildon UnitedWitham Town 3-5 Basildon United | Bostik League North Division |
| 8 | Tue 25 Sep 2018 | 81-2 v Bury TownWitham Town 1-2 Bury Town | Bostik League North Division |
| 9 | Fri 28 Sep 2018 | 41-0 v Coggeshall TownWitham Town 1-0 Coggeshall Town | Buildbase FA Trophy Extra Preliminary Round |
| 10 | Tue 9 Oct 2018 | 80-1 v Maldon & TiptreeMaldon & Tiptree 1-0 Witham Town | Velocity Trophy Second Round |
| 11 | Fri 12 Oct 2018 | 41-0 v AFC DunstableAFC Dunstable 0-1 Witham Town | Buildbase FA Trophy Preliminary Round |
| 12 | Sat 20 Oct 2018 | 41-2 v Great Wakering RoversGreat Wakering Rovers 2-1 Witham Town | Bostik League North Division |
| 13 | Sat 27 Oct 2018 | 41-2 v Herne BayHerne Bay 2-1 Witham Town | Buildbase FA Trophy First Qualifying Round |
| 14 | Fri 2 Nov 2018 | 41-1 v Heybridge SwiftsWitham Town 1-1 Heybridge Swifts | Bostik League North Division |
| 15 | Sat 10 Nov 2018 | 100-3 v Soham Town RangersSoham Town Rangers 3-0 Witham Town | Bostik League North Division |
| 16 | Sat 24 Nov 2018 | 10 2-2 v Felixstowe & Walton UnitedFelixstowe & Walton United 2-2 Witham Town | Bostik League North Division |
| 17 | Sat 1 Dec 2018 | 42-0 v AFC SudburyWitham Town 2-0 AFC Sudbury | Bostik League North Division |
| 18 | Sat 8 Dec 2018 | 42-0 v RomfordWitham Town 2-0 Romford | Bostik League North Division |
| 19 | Sat 15 Dec 2018 | 101-0 v Canvey IslandCanvey Island 0-1 Witham Town | Bostik League North Division |
| 20 | Sat 29 Dec 2018 | 4 1-0 v Maldon & TiptreeMaldon & Tiptree 0-1 Witham Town | Bostik League North Division |
| 21 | Sat 5 Jan 2019 | 42-1 v Brentwood TownWitham Town 2-1 Brentwood Town | Bostik League North Division |
| 22 | Sat 12 Jan 2019 | 4 0-2 v Mildenhall TownMildenhall Town 2-0 Witham Town | Bostik League North Division |
| 23 | Sat 19 Jan 2019 | 41-0 v Grays AthleticGrays Athletic 0-1 Witham Town | Bostik League North Division |
| 24 | Sat 2 Feb 2019 | 40-2 v TilburyWitham Town 0-2 Tilbury | Bostik League North Division |
| 25 | Tue 5 Feb 2019 | 22-5 v Bury TownBury Town 5-2 Witham Town | Bostik League North Division |
| 26 | Sat 9 Feb 2019 | 40-3 v Bowers & PitseaBowers & Pitsea 3-0 Witham Town | Bostik League North Division |
| 27 | Sat 16 Mar 2019 | 21-1 v Felixstowe & Walton UnitedWitham Town 1-1 Felixstowe & Walton United | Bostik League North Division |
| 28 | Sat 23 Mar 2019 | 21-3 v AFC SudburyAFC Sudbury 3-1 Witham Town | Bostik League North Division |
| 29 | Sat 27 Apr 2019 | 152-0 v Basildon UnitedBasildon United 0-2 Witham Town | Bostik League North Division |
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