| 1 | Sat 5 Aug 2017 | 4 1-3 v Accrington StanleyAccrington Stanley 3-1 Colchester United | Sky Bet League Two |
| 2 | Wed 9 Aug 2017 | 41-2 v Aston VillaColchester United 1-2 Aston Villa | Carabao Cup First Round |
| 3 | Sat 12 Aug 2017 | 41-1 v StevenageColchester United 1-1 Stevenage | Sky Bet League Two |
| 4 | Sat 19 Aug 2017 | 40-3 v Luton TownLuton Town 3-0 Colchester United | Sky Bet League Two |
| 5 | Sat 26 Aug 2017 | 45-1 v Forest Green RoversColchester United 5-1 Forest Green Rovers | Sky Bet League Two |
| 6 | Sat 2 Sep 2017 | 40-1 v Cambridge UnitedCambridge United 1-0 Colchester United | Sky Bet League Two |
| 7 | Sat 9 Sep 2017 | 43-1 v Crawley TownColchester United 3-1 Crawley Town | Sky Bet League Two |
| 8 | Tue 12 Sep 2017 | 41-1 v ChesterfieldColchester United 1-1 Chesterfield | Sky Bet League Two |
| 9 | Sat 16 Sep 2017 | 4 1-3 v Cheltenham TownCheltenham Town 3-1 Colchester United | Sky Bet League Two |
| 10 | Sat 23 Sep 2017 | 4 1-2 v Wycombe WanderersColchester United 1-2 Wycombe Wanderers | Sky Bet League Two |
| 11 | Tue 17 Oct 2017 | 42-1 v Newport CountyNewport County 1-2 Colchester United | Sky Bet League Two |
| 12 | Sat 21 Oct 2017 | 4 0-0 v Coventry CityCoventry City 0-0 Colchester United | Sky Bet League Two |
| 13 | Tue 7 Nov 2017 | 40-2 v Southend UnitedSouthend United 2-0 Colchester United | Checkatrade Trophy Southern Group B |
| 14 | Sat 18 Nov 2017 | 40-0 v MorecambeColchester United 0-0 Morecambe | Sky Bet League Two |
| 15 | Tue 21 Nov 2017 | 41-0 v Lincoln CityColchester United 1-0 Lincoln City | Sky Bet League Two |
| 16 | Sat 25 Nov 2017 | 41-2 v Notts CountyNotts County 2-1 Colchester United | Sky Bet League Two |
| 17 | Sat 9 Dec 2017 | 43-1 v Exeter CityColchester United 3-1 Exeter City | Sky Bet League Two |
| 18 | Fri 15 Dec 2017 | 43-2 v Swindon TownSwindon Town 2-3 Colchester United | Sky Bet League Two |
| 19 | Sat 23 Dec 2017 | 41-1 v Port ValeColchester United 1-1 Port Vale | Sky Bet League Two |
| 20 | Tue 26 Dec 2017 | 42-0 v Crawley TownCrawley Town 0-2 Colchester United | Sky Bet League Two |
| 21 | Sat 30 Dec 2017 | 40-0 v ChesterfieldChesterfield 0-0 Colchester United | Sky Bet League Two |
| 22 | Mon 1 Jan 2018 | 40-0 v Cambridge UnitedColchester United 0-0 Cambridge United | Sky Bet League Two |
| 23 | Sat 6 Jan 2018 | 4 1-4 v Cheltenham TownColchester United 1-4 Cheltenham Town | Sky Bet League Two |
| 24 | Sat 20 Jan 2018 | 41-1 v Grimsby TownColchester United 1-1 Grimsby Town | Sky Bet League Two |
| 25 | Sat 27 Jan 2018 | 42-2 v Port ValePort Vale 2-2 Colchester United | Sky Bet League Two |
| 26 | Sat 3 Feb 2018 | 42-0 v Newport CountyColchester United 2-0 Newport County | Sky Bet League Two |
| 27 | Sat 24 Feb 2018 | 40-1 v BarnetColchester United 0-1 Barnet | Sky Bet League Two |
| 28 | Sat 10 Mar 2018 | 41-1 v Mansfield TownMansfield Town 1-1 Colchester United | Sky Bet League Two |
| 29 | Sat 17 Mar 2018 | 40-1 v Yeovil TownColchester United 0-1 Yeovil Town | Sky Bet League Two |
| 30 | Tue 20 Mar 2018 | 40-0 v MorecambeMorecambe 0-0 Colchester United | Sky Bet League Two |
| 31 | Sat 24 Mar 2018 | 41-0 v StevenageStevenage 0-1 Colchester United | Sky Bet League Two |
| 32 | Fri 30 Mar 2018 | 4 2-1 v Luton TownColchester United 2-1 Luton Town | Sky Bet League Two |
| 33 | Sat 5 May 2018 | 40-1 v Exeter CityExeter City 1-0 Colchester United | Sky Bet League Two |
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