| 2023-12-29 | SalfordvGrimsbyLeague Two · England | 0–3 | League Two · England |
| 2023-12-26 | MansfieldvGrimsbyLeague Two · England | 2–0 | League Two · England |
| 2023-12-23 | GrimsbyvHarrogateLeague Two · England | 1–2 | League Two · England |
| 2023-12-16 | Newport CountyvGrimsbyLeague Two · England | 1–1 | League Two · England |
| 2023-12-09 | GrimsbyvCreweLeague Two · England | 2–1 | League Two · England |
| 2023-11-28 | Milton Keynes DonsvGrimsbyLeague Two · England | 1–1 | League Two · England |
| 2023-11-25 | GrimsbyvSuttonLeague Two · England | 1–1 | League Two · England |
| 2023-11-18 | Forest GreenvGrimsbyLeague Two · England | 2–2 | League Two · England |
| 2023-11-11 | GrimsbyvMorecambeLeague Two · England | 3–2 | League Two · England |
| 2023-10-28 | DoncastervGrimsbyLeague Two · England | 1–0 | League Two · England |
| 2023-10-24 | GrimsbyvColchesterLeague Two · England | 2–3 | League Two · England |
| 2023-10-21 | StockportvGrimsbyLeague Two · England | 3–2 | League Two · England |
| 2023-10-14 | GrimsbyvAccringtonLeague Two · England | 0–2 | League Two · England |
| 2023-10-07 | TranmerevGrimsbyLeague Two · England | 2–2 | League Two · England |
| 2023-10-03 | GrimsbyvBarrowLeague Two · England | 2–1 | League Two · England |
| 2023-09-30 | SwindonvGrimsbyLeague Two · England | 2–1 | League Two · England |
| 2023-09-23 | GrimsbyvCrawley TownLeague Two · England | 2–3 | League Two · England |
| 2023-09-16 | WrexhamvGrimsbyLeague Two · England | 3–0 | League Two · England |
| 2023-09-09 | BradfordvGrimsbyLeague Two · England | 1–1 | League Two · England |
| 2023-09-02 | GrimsbyvGillinghamLeague Two · England | 2–0 | League Two · England |
| 2023-08-26 | WalsallvGrimsbyLeague Two · England | 1–1 | League Two · England |
| 2023-08-19 | GrimsbyvMansfieldLeague Two · England | 1–1 | League Two · England |
| 2023-08-15 | GrimsbyvSalfordLeague Two · England | 2–0 | League Two · England |
| 2023-08-12 | Notts CountyvGrimsbyLeague Two · England | 3–2 | League Two · England |
| 2023-08-05 | GrimsbyvAFC WimbledonLeague Two · England | 0–0 | League Two · England |
| 2023-05-08 | GrimsbyvAFC WimbledonLeague Two · England | 1–0 | League Two · England |
| 2023-04-29 | StevenagevGrimsbyLeague Two · England | 2–0 | League Two · England |
| 2023-04-25 | GrimsbyvCreweLeague Two · England | 2–0 | League Two · England |
| 2023-04-22 | TranmerevGrimsbyLeague Two · England | 2–0 | League Two · England |
| 2023-04-18 | GrimsbyvBarrowLeague Two · England | 1–0 | League Two · England |
| 2023-04-15 | GrimsbyvMansfieldLeague Two · England | 1–1 | League Two · England |
| 2023-04-10 | DoncastervGrimsbyLeague Two · England | 1–2 | League Two · England |
| 2023-04-07 | GrimsbyvHartlepoolLeague Two · England | 1–4 | League Two · England |
| 2023-04-01 | BradfordvGrimsbyLeague Two · England | 3–2 | League Two · England |
| 2023-03-28 | Crawley TownvGrimsbyLeague Two · England | 1–1 | League Two · England |
| 2023-03-25 | GrimsbyvWalsallLeague Two · England | 1–1 | League Two · England |
| 2023-03-22 | MansfieldvGrimsbyLeague Two · England | 0–0 | League Two · England |
| 2023-03-14 | SuttonvGrimsbyLeague Two · England | 0–1 | League Two · England |
| 2023-03-11 | GrimsbyvRochdaleLeague Two · England | 1–0 | League Two · England |
| 2023-03-07 | GrimsbyvNewport CountyLeague Two · England | 1–1 | League Two · England |
| 2023-03-04 | CarlislevGrimsbyLeague Two · England | 2–0 | League Two · England |
| 2023-02-25 | GrimsbyvLeyton OrientLeague Two · England | 2–2 | League Two · England |
| 2023-02-21 | GrimsbyvHarrogateLeague Two · England | 0–0 | League Two · England |
| 2023-02-18 | NorthamptonvGrimsbyLeague Two · England | 1–2 | League Two · England |
| 2023-02-14 | GillinghamvGrimsbyLeague Two · England | 2–1 | League Two · England |
| 2023-02-11 | GrimsbyvColchesterLeague Two · England | 0–1 | League Two · England |
| 2023-02-04 | CrewevGrimsbyLeague Two · England | 0–3 | League Two · England |
| 2023-01-14 | SwindonvGrimsbyLeague Two · England | 5–0 | League Two · England |
| 2023-01-01 | GrimsbyvStockportLeague Two · England | 1–0 | League Two · England |