| 1 | Sat 11 Aug 2012 | 191-1 v SouthportSouthport 1-1 Grimsby Town | Blue Square Bet Premier |
| 2 | Tue 14 Aug 2012 | 191-2 v Stockport CountyGrimsby Town 1-2 Stockport County | Blue Square Bet Premier |
| 3 | Mon 27 Aug 2012 | 194-1 v Mansfield TownGrimsby Town 4-1 Mansfield Town | Blue Square Bet Premier |
| 4 | Sat 1 Sep 2012 | 192-0 v Hereford UnitedHereford United 0-2 Grimsby Town | Blue Square Bet Premier |
| 5 | Tue 4 Sep 2012 | 192-2 v BarrowBarrow 2-2 Grimsby Town | Blue Square Bet Premier |
| 6 | Sat 8 Sep 2012 | 191-0 v Forest Green RoversGrimsby Town 1-0 Forest Green Rovers | Blue Square Bet Premier |
| 7 | Sat 15 Sep 2012 | 190-0 v Kidderminster HarriersKidderminster Harriers 0-0 Grimsby Town | Blue Square Bet Premier |
| 8 | Fri 21 Sep 2012 | 194-1 v Luton TownGrimsby Town 4-1 Luton Town | Blue Square Bet Premier |
| 9 | Tue 25 Sep 2012 | 193-0 v GatesheadGrimsby Town 3-0 Gateshead | Blue Square Bet Premier |
| 10 | Sat 29 Sep 2012 | 190-0 v Newport CountyNewport County 0-0 Grimsby Town | Blue Square Bet Premier |
| 11 | Sat 6 Oct 2012 | 190-2 v DartfordGrimsby Town 0-2 Dartford | Blue Square Bet Premier |
| 12 | Sat 27 Oct 2012 | 190-1 v Macclesfield TownGrimsby Town 0-1 Macclesfield Town | Blue Square Bet Premier |
| 13 | Sat 3 Nov 2012 | 191-0 v TamworthTamworth 0-1 Grimsby Town | Blue Square Bet Premier |
| 14 | Tue 6 Nov 2012 | 192-3 v HydeHyde 3-2 Grimsby Town | Blue Square Bet Premier |
| 15 | Wed 26 Dec 2012 | 194-1 v Lincoln CityLincoln City 1-4 Grimsby Town | Blue Square Bet Premier |
| 16 | Tue 1 Jan 2013 | 191-1 v Lincoln CityGrimsby Town 1-1 Lincoln City | Blue Square Bet Premier |
| 17 | Sat 5 Jan 2013 | 191-1 v Hereford UnitedGrimsby Town 1-1 Hereford United | Blue Square Bet Premier |
| 18 | Tue 22 Jan 2013 | 192-0 v HydeGrimsby Town 2-0 Hyde | Blue Square Bet Premier |
| 19 | Tue 26 Feb 2013 | 193-1 v Ebbsfleet UnitedGrimsby Town 3-1 Ebbsfleet United | Blue Square Bet Premier |
| 20 | Tue 5 Mar 2013 | 191-0 v Forest Green RoversForest Green Rovers 0-1 Grimsby Town | Blue Square Bet Premier |
| 21 | Sat 9 Mar 2013 | 191-3 v Kidderminster HarriersGrimsby Town 1-3 Kidderminster Harriers | Blue Square Bet Premier |
| 22 | Tue 19 Mar 2013 | 190-1 v Nuneaton TownNuneaton Town 1-0 Grimsby Town | Blue Square Bet Premier |
| 23 | Tue 26 Mar 2013 | 191-1 v GatesheadGateshead 1-1 Grimsby Town | Blue Square Bet Premier |
| 24 | Sat 30 Mar 2013 | 190-0 v BarrowGrimsby Town 0-0 Barrow | Blue Square Bet Premier |
| 25 | Mon 1 Apr 2013 | 192-1 v Stockport CountyStockport County 1-2 Grimsby Town | Blue Square Bet Premier |
| 26 | Tue 9 Apr 2013 | 192-1 v DartfordDartford 1-2 Grimsby Town | Blue Square Bet Premier |
| 27 | Fri 12 Apr 2013 | 191-1 v Luton TownLuton Town 1-1 Grimsby Town | Blue Square Bet Premier |
| 28 | Tue 16 Apr 2013 | 191-0 v WokingWoking 0-1 Grimsby Town | Blue Square Bet Premier |
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