| 1 | Tue 24 Jul 2018 | 42-1 v MillwallColchester United 2-1 Millwall | Friendly |
| 2 | Sat 4 Aug 2018 | 40-0 v Notts CountyNotts County 0-0 Colchester United | Sky Bet League Two |
| 3 | Sat 11 Aug 2018 | 42-0 v Port ValeColchester United 2-0 Port Vale | Sky Bet League Two |
| 4 | Sat 18 Aug 2018 | 41-1 v Mansfield TownMansfield Town 1-1 Colchester United | Sky Bet League Two |
| 5 | Tue 21 Aug 2018 | 46-0 v Crewe AlexandraColchester United 6-0 Crewe Alexandra | Sky Bet League Two |
| 6 | Sat 25 Aug 2018 | 41-2 v Northampton TownColchester United 1-2 Northampton Town | Sky Bet League Two |
| 7 | Tue 2 Oct 2018 | 43-1 v Yeovil TownColchester United 3-1 Yeovil Town | Sky Bet League Two |
| 8 | Sat 6 Oct 2018 | 41-3 v StevenageStevenage 3-1 Colchester United | Sky Bet League Two |
| 9 | Sat 13 Oct 2018 | 43-1 v Crawley TownColchester United 3-1 Crawley Town | Sky Bet League Two |
| 10 | Sat 20 Oct 2018 | 41-0 v MorecambeMorecambe 0-1 Colchester United | Sky Bet League Two |
| 11 | Tue 23 Oct 2018 | 40-1 v Grimsby TownGrimsby Town 1-0 Colchester United | Sky Bet League Two |
| 12 | Sat 27 Oct 2018 | 41-0 v Lincoln CityColchester United 1-0 Lincoln City | Sky Bet League Two |
| 13 | Sat 3 Nov 2018 | 41-0 v Swindon TownColchester United 1-0 Swindon Town | Sky Bet League Two |
| 14 | Sat 10 Nov 2018 | 40-1 v Accrington StanleyAccrington Stanley 1-0 Colchester United | Emirates FA Cup First Round |
| 15 | Sat 17 Nov 2018 | 40-2 v Newport CountyNewport County 2-0 Colchester United | Sky Bet League Two |
| 16 | Sat 24 Nov 2018 | 41-1 v Exeter CityColchester United 1-1 Exeter City | Sky Bet League Two |
| 17 | Tue 27 Nov 2018 | 41-0 v Forest Green RoversForest Green Rovers 0-1 Colchester United | Sky Bet League Two |
| 18 | Sat 8 Dec 2018 | 41-0 v Macclesfield TownColchester United 1-0 Macclesfield Town | Sky Bet League Two |
| 19 | Sat 15 Dec 2018 | 40-4 v Carlisle UnitedCarlisle United 4-0 Colchester United | Sky Bet League Two |
| 20 | Sat 22 Dec 2018 | 4 1-0 v Milton Keynes DonsMilton Keynes Dons 0-1 Colchester United | Sky Bet League Two |
| 21 | Wed 26 Dec 2018 | 41-2 v StevenageColchester United 1-2 Stevenage | Sky Bet League Two |
| 22 | Sat 29 Dec 2018 | 40-0 v MorecambeColchester United 0-0 Morecambe | Sky Bet League Two |
| 23 | Tue 1 Jan 2019 | 40-2 v Crawley TownCrawley Town 2-0 Colchester United | Sky Bet League Two |
| 24 | Sat 5 Jan 2019 | 43-3 v Notts CountyColchester United 3-3 Notts County | Sky Bet League Two |
| 25 | Sat 12 Jan 2019 | 43-0 v Port ValePort Vale 0-3 Colchester United | Sky Bet League Two |
| 26 | Sat 19 Jan 2019 | 4 2-3 v Mansfield TownColchester United 2-3 Mansfield Town | Sky Bet League Two |
| 27 | Sat 26 Jan 2019 | 41-2 v Crewe AlexandraCrewe Alexandra 2-1 Colchester United | Sky Bet League Two |
| 28 | Sat 9 Feb 2019 | 43-0 v Cheltenham TownColchester United 3-0 Cheltenham Town | Sky Bet League Two |
| 29 | Sat 16 Feb 2019 | 41-1 v Macclesfield TownMacclesfield Town 1-1 Colchester United | Sky Bet League Two |
| 30 | Sat 23 Mar 2019 | 40-2 v Tranmere RoversColchester United 0-2 Tranmere Rovers | Sky Bet League Two |
| 31 | Sat 30 Mar 2019 | 41-0 v Cambridge UnitedCambridge United 0-1 Colchester United | Sky Bet League Two |
| 32 | Sat 6 Apr 2019 | 40-2 v Oldham AthleticColchester United 0-2 Oldham Athletic | Sky Bet League Two |
| 33 | Sat 13 Apr 2019 | 40-2 v BuryBury 2-0 Colchester United | Sky Bet League Two |
| 34 | Fri 19 Apr 2019 | 4 1-0 v Grimsby TownColchester United 1-0 Grimsby Town | Sky Bet League Two |
| 35 | Mon 22 Apr 2019 | 41-1 v Yeovil TownYeovil Town 1-1 Colchester United | Sky Bet League Two |
| 36 | Sat 27 Apr 2019 | 42-0 v Milton Keynes DonsColchester United 2-0 Milton Keynes Dons | Sky Bet League Two |
| 37 | Sat 4 May 2019 | 43-0 v Lincoln CityLincoln City 0-3 Colchester United | Sky Bet League Two |
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