| 1 | Sat 11 Aug 2018 | 10-2 v Grays AthleticWitham Town 0-2 Grays Athletic | Bostik League North Division |
| 2 | Sat 18 Aug 2018 | 13-2 v BarkingBarking 2-3 Witham Town | Bostik League North Division |
| 3 | Fri 24 Aug 2018 | 10-0 v Coggeshall TownCoggeshall Town 0-0 Witham Town | Emirates FA Cup Preliminary Round |
| 4 | Mon 27 Aug 2018 | 10-2 v Coggeshall TownCoggeshall Town 2-0 Witham Town | Bostik League North Division |
| 5 | Sat 1 Sep 2018 | 11-1 v Mildenhall TownWitham Town 1-1 Mildenhall Town | Bostik League North Division |
| 6 | Tue 4 Sep 2018 | 11-3 v Coggeshall TownWitham Town 1-3 Coggeshall Town | Emirates FA Cup Preliminary Round |
| 7 | Tue 11 Sep 2018 | 10-0 v Grays AthleticWitham Town 0-0 Grays Athletic | Velocity Trophy First Round |
| 8 | Sat 15 Sep 2018 | 10-2 v Dereham TownDereham Town 2-0 Witham Town | Bostik League North Division |
| 9 | Sat 22 Sep 2018 | 13-5 v Basildon UnitedWitham Town 3-5 Basildon United | Bostik League North Division |
| 10 | Tue 25 Sep 2018 | 11-2 v Bury TownWitham Town 1-2 Bury Town | Bostik League North Division |
| 11 | Fri 28 Sep 2018 | 11-0 v Coggeshall TownWitham Town 1-0 Coggeshall Town | Buildbase FA Trophy Extra Preliminary Round |
| 12 | Sat 6 Oct 2018 | 10-2 v Bowers & PitseaWitham Town 0-2 Bowers & Pitsea | Bostik League North Division |
| 13 | Tue 9 Oct 2018 | 10-1 v Maldon & TiptreeMaldon & Tiptree 1-0 Witham Town | Velocity Trophy Second Round |
| 14 | Fri 12 Oct 2018 | 11-0 v AFC DunstableAFC Dunstable 0-1 Witham Town | Buildbase FA Trophy Preliminary Round |
| 15 | Sat 20 Oct 2018 | 11-2 v Great Wakering RoversGreat Wakering Rovers 2-1 Witham Town | Bostik League North Division |
| 16 | Tue 23 Oct 2018 | 12-4 v Hullbridge SportsHullbridge Sports 4-2 Witham Town | Essex County Cup Third Round |
| 17 | Sat 27 Oct 2018 | 11-2 v Herne BayHerne Bay 2-1 Witham Town | Buildbase FA Trophy First Qualifying Round |
| 18 | Fri 2 Nov 2018 | 11-1 v Heybridge SwiftsWitham Town 1-1 Heybridge Swifts | Bostik League North Division |
| 19 | Sat 10 Nov 2018 | 10-3 v Soham Town RangersSoham Town Rangers 3-0 Witham Town | Bostik League North Division |
| 20 | Fri 16 Nov 2018 | 11-3 v AveleyWitham Town 1-3 Aveley | Bostik League North Division |
| 21 | Tue 20 Nov 2018 | 10-3 v TilburyTilbury 3-0 Witham Town | Bostik League North Division |
| 22 | Sat 24 Nov 2018 | 12-2 v Felixstowe & Walton UnitedFelixstowe & Walton United 2-2 Witham Town | Bostik League North Division |
| 23 | Sat 1 Dec 2018 | 12-0 v AFC SudburyWitham Town 2-0 AFC Sudbury | Bostik League North Division |
| 24 | Sat 8 Dec 2018 | 12-0 v RomfordWitham Town 2-0 Romford | Bostik League North Division |
| 25 | Sat 15 Dec 2018 | 11-0 v Canvey IslandCanvey Island 0-1 Witham Town | Bostik League North Division |
| 26 | Fri 21 Dec 2018 | 11-1 v Coggeshall TownWitham Town 1-1 Coggeshall Town | Bostik League North Division |
| 27 | Sat 29 Dec 2018 | 11-0 v Maldon & TiptreeMaldon & Tiptree 0-1 Witham Town | Bostik League North Division |
| 28 | Sat 5 Jan 2019 | 12-1 v Brentwood TownWitham Town 2-1 Brentwood Town | Bostik League North Division |
| 29 | Sat 2 Feb 2019 | 10-2 v TilburyWitham Town 0-2 Tilbury | Bostik League North Division |
| 30 | Tue 5 Feb 2019 | 12-5 v Bury TownBury Town 5-2 Witham Town | Bostik League North Division |
| 31 | Sat 9 Feb 2019 | 10-3 v Bowers & PitseaBowers & Pitsea 3-0 Witham Town | Bostik League North Division |
| 32 | Sat 16 Feb 2019 | 12-1 v Great Wakering RoversWitham Town 2-1 Great Wakering Rovers | Bostik League North Division |
| 33 | Fri 22 Feb 2019 | 10-1 v Heybridge SwiftsHeybridge Swifts 1-0 Witham Town | Bostik League North Division |
| 34 | Sat 2 Mar 2019 | 10-1 v Soham Town RangersWitham Town 0-1 Soham Town Rangers | Bostik League North Division |
| 35 | Fri 8 Mar 2019 | 11-3 v AveleyAveley 3-1 Witham Town | Bostik League North Division |
| 36 | Sat 16 Mar 2019 | 11-1 v Felixstowe & Walton UnitedWitham Town 1-1 Felixstowe & Walton United | Bostik League North Division |
| 37 | Sat 23 Mar 2019 | 11-3 v AFC SudburyAFC Sudbury 3-1 Witham Town | Bostik League North Division |
| 38 | Sat 30 Mar 2019 | 10-1 v Canvey IslandWitham Town 0-1 Canvey Island | Bostik League North Division |
| 39 | Sat 6 Apr 2019 | 11-3 v RomfordRomford 3-1 Witham Town | Bostik League North Division |
| 40 | Sat 13 Apr 2019 | 12-3 v Dereham TownWitham Town 2-3 Dereham Town | Bostik League North Division |
| 41 | Sat 20 Apr 2019 | 11-3 v Brentwood TownBrentwood Town 3-1 Witham Town | Bostik League North Division |
| 42 | Mon 22 Apr 2019 | 1 1-1 v Maldon & TiptreeWitham Town 1-1 Maldon & Tiptree | Bostik League North Division |
| 43 | Sat 27 Apr 2019 | 12-0 v Basildon UnitedBasildon United 0-2 Witham Town | Bostik League North Division |
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