| 2013-12-28 | GrimsbyvMacclesfieldNational League · England | 2–3 | National League · England |
| 2013-12-26 | LincolnvGrimsbyNational League · England | 0–2 | National League · England |
| 2013-12-19 | GrimsbyvKidderminsterNational League · England | 3–1 | National League · England |
| 2013-12-10 | GrimsbyvWelling UnitedNational League · England | 1–1 | National League · England |
| 2013-11-23 | GrimsbyvBarnetNational League · England | 2–1 | National League · England |
| 2013-11-16 | TamworthvGrimsbyNational League · England | 0–2 | National League · England |
| 2013-11-02 | WokingvGrimsbyNational League · England | 1–2 | National League · England |
| 2013-10-19 | GrimsbyvForest GreenNational League · England | 3–1 | National League · England |
| 2013-10-12 | SalisburyvGrimsbyNational League · England | 1–0 | National League · England |
| 2013-10-08 | GrimsbyvCambridgeNational League · England | 0–1 | National League · England |
| 2013-10-05 | AldershotvGrimsbyNational League · England | 0–3 | National League · England |
| 2013-09-28 | GrimsbyvTamworthNational League · England | 3–1 | National League · England |
| 2013-09-24 | GrimsbyvDartfordNational League · England | 5–2 | National League · England |
| 2013-09-21 | ChestervGrimsbyNational League · England | 0–0 | National League · England |
| 2013-09-17 | HalifaxvGrimsbyNational League · England | 4–0 | National League · England |
| 2013-09-14 | GrimsbyvBraintree TownNational League · England | 1–0 | National League · England |
| 2013-09-07 | LutonvGrimsbyNational League · England | 0–0 | National League · England |
| 2013-08-31 | GrimsbyvNuneaton TownNational League · England | 1–2 | National League · England |
| 2013-08-26 | Hyde UnitedvGrimsbyNational League · England | 0–1 | National League · England |
| 2013-08-24 | GrimsbyvAlfreton TownNational League · England | 3–1 | National League · England |
| 2013-08-17 | Welling UnitedvGrimsbyNational League · England | 1–0 | National League · England |
| 2013-08-13 | GatesheadvGrimsbyNational League · England | 1–2 | National League · England |
| 2013-08-10 | GrimsbyvAldershotNational League · England | 1–1 | National League · England |
| 2013-04-20 | GrimsbyvNewport CountyNational League · England | 3–0 | National League · England |
| 2013-04-16 | WokingvGrimsbyNational League · England | 0–1 | National League · England |
| 2013-04-12 | LutonvGrimsbyNational League · England | 1–1 | National League · England |
| 2013-04-09 | DartfordvGrimsbyNational League · England | 1–2 | National League · England |
| 2013-04-06 | GrimsbyvSouthportNational League · England | 2–2 | National League · England |
| 2013-04-03 | MacclesfieldvGrimsbyNational League · England | 1–3 | National League · England |
| 2013-04-01 | StockportvGrimsbyNational League · England | 1–2 | National League · England |
| 2013-03-30 | GrimsbyvBarrowNational League · England | 0–0 | National League · England |
| 2013-03-26 | GatesheadvGrimsbyNational League · England | 1–1 | National League · England |
| 2013-03-19 | Nuneaton TownvGrimsbyNational League · England | 1–0 | National League · England |
| 2013-03-16 | GrimsbyvCambridgeNational League · England | 0–1 | National League · England |
| 2013-03-12 | MansfieldvGrimsbyNational League · England | 2–0 | National League · England |
| 2013-03-09 | GrimsbyvKidderminsterNational League · England | 1–3 | National League · England |
| 2013-03-05 | Forest GreenvGrimsbyNational League · England | 0–1 | National League · England |
| 2013-02-26 | GrimsbyvEbbsfleetNational League · England | 3–1 | National League · England |
| 2013-02-19 | Braintree TownvGrimsbyNational League · England | 2–0 | National League · England |
| 2013-02-09 | GrimsbyvTelford UnitedNational League · England | 1–0 | National League · England |
| 2013-02-02 | GrimsbyvAlfreton TownNational League · England | 4–2 | National League · England |
| 2013-01-26 | CambridgevGrimsbyNational League · England | 0–0 | National League · England |
| 2013-01-22 | GrimsbyvHyde UnitedNational League · England | 2–0 | National League · England |
| 2013-01-05 | GrimsbyvHerefordNational League · England | 1–1 | National League · England |
| 2013-01-01 | GrimsbyvLincolnNational League · England | 1–1 | National League · England |