| Date | Match | Score | Competition | |
|---|---|---|---|---|
| D | 2026-02-07 | Newport County v Grimsby | 0–0 | League Two |
| W | 2025-08-16 | Grimsby v Newport County | 2–1 | League Two |
| W | 2025-03-22 | Grimsby v Newport County | 1–0 | League Two |
| D | 2024-11-16 | Newport County v Grimsby | 0–0 | League Two |
| W | 2024-04-06 | Grimsby v Newport County | 1–0 | League Two |
| D | 2023-12-16 | Newport County v Grimsby | 1–1 | League Two |
| D | 2023-03-07 | Grimsby v Newport County | 1–1 | League Two |
| W | 2022-09-03 | Newport County v Grimsby | 0–2 | League Two |
| L | 2021-02-06 | Newport County v Grimsby | 1–0 | League Two |
| L | 2020-12-08 | Grimsby v Newport County | 0–2 | League Two |
| W | 2020-02-25 | Grimsby v Newport County | 4–2 | League Two |
| W | 2019-02-02 | Grimsby v Newport County | 3–0 | League Two |
| L | 2018-08-25 | Newport County v Grimsby | 1–0 | League Two |
| L | 2018-01-13 | Grimsby v Newport County | 1–2 | League Two |
| L | 2017-09-23 | Newport County v Grimsby | 1–0 | League Two |
| D | 2017-02-14 | Newport County v Grimsby | 0–0 | League Two |
| W | 2016-09-27 | Grimsby v Newport County | 1–0 | League Two |
| W | 2013-04-20 | Grimsby v Newport County | 3–0 | National League |
| D | 2012-09-29 | Newport County v Grimsby | 0–0 | National League |
| D | 2011-11-19 | Grimsby v Newport County | 2–2 | National League |
| D | 2011-08-20 | Newport County v Grimsby | 0–0 | National League |
| L | 2011-04-02 | Newport County v Grimsby | 2–1 | National League |
| W | 2010-10-02 | Grimsby v Newport County | 2–0 | National League |
| Competition | P | Grimsby W | D | Newport County W |
|---|---|---|---|---|
| League Two | 17 | 7 | 5 | 5 |
| National League | 6 | 2 | 3 | 1 |
League meetings on record only — domestic cup and European ties are not yet in the archive, so this is the league ledger of the rivalry, not every match ever played. Results from PitchVAR's own football warehouse.