| 2018-12-29 | NorthamptonvMilton Keynes DonsLeague Two · England | 2–2 | League Two · England |
| 2018-12-26 | NorthamptonvSwindonLeague Two · England | 1–1 | League Two · England |
| 2018-12-22 | YeovilvNorthamptonLeague Two · England | 1–1 | League Two · England |
| 2018-12-15 | NorthamptonvStevenageLeague Two · England | 1–1 | League Two · England |
| 2018-12-08 | Crawley TownvNorthamptonLeague Two · England | 0–1 | League Two · England |
| 2018-11-27 | Newport CountyvNorthamptonLeague Two · England | 3–1 | League Two · England |
| 2018-11-24 | NorthamptonvGrimsbyLeague Two · England | 2–2 | League Two · England |
| 2018-11-17 | ExetervNorthamptonLeague Two · England | 2–2 | League Two · England |
| 2018-11-03 | NorthamptonvCreweLeague Two · England | 2–0 | League Two · England |
| 2018-10-27 | NorthamptonvOldhamLeague Two · England | 2–1 | League Two · England |
| 2018-10-23 | MacclesfieldvNorthamptonLeague Two · England | 0–5 | League Two · England |
| 2018-10-20 | Milton Keynes DonsvNorthamptonLeague Two · England | 1–0 | League Two · England |
| 2018-10-13 | NorthamptonvForest GreenLeague Two · England | 2–1 | League Two · England |
| 2018-10-06 | SwindonvNorthamptonLeague Two · England | 1–1 | League Two · England |
| 2018-10-02 | NorthamptonvBuryLeague Two · England | 0–0 | League Two · England |
| 2018-09-29 | MansfieldvNorthamptonLeague Two · England | 4–0 | League Two · England |
| 2018-09-22 | NorthamptonvNotts CountyLeague Two · England | 0–0 | League Two · England |
| 2018-09-15 | Port ValevNorthamptonLeague Two · England | 2–0 | League Two · England |
| 2018-09-08 | NorthamptonvCheltenhamLeague Two · England | 1–3 | League Two · England |
| 2018-09-01 | NorthamptonvTranmereLeague Two · England | 1–1 | League Two · England |
| 2018-08-25 | ColchestervNorthamptonLeague Two · England | 1–2 | League Two · England |
| 2018-08-21 | MorecambevNorthamptonLeague Two · England | 1–0 | League Two · England |
| 2018-08-18 | NorthamptonvCambridgeLeague Two · England | 2–2 | League Two · England |
| 2018-08-11 | CarlislevNorthamptonLeague Two · England | 2–2 | League Two · England |
| 2018-08-04 | NorthamptonvLincolnLeague Two · England | 0–1 | League Two · England |
| 2018-05-05 | NorthamptonvOldhamLeague One · England | 2–2 | League One · England |
| 2018-04-28 | WalsallvNorthamptonLeague One · England | 1–0 | League One · England |
| 2018-04-21 | NorthamptonvPlymouthLeague One · England | 2–0 | League One · England |
| 2018-04-14 | BuryvNorthamptonLeague One · England | 2–3 | League One · England |
| 2018-04-10 | BlackpoolvNorthamptonLeague One · England | 3–0 | League One · England |
| 2018-04-02 | PeterborovNorthamptonLeague One · England | 2–0 | League One · England |
| 2018-03-30 | NorthamptonvCharltonLeague One · England | 0–4 | League One · England |
| 2018-03-24 | Fleetwood TownvNorthamptonLeague One · England | 2–0 | League One · England |
| 2018-03-20 | NorthamptonvShrewsburyLeague One · England | 1–1 | League One · England |
| 2018-03-17 | NorthamptonvRotherhamLeague One · England | 0–3 | League One · England |
| 2018-03-10 | Bristol RvsvNorthamptonLeague One · England | 1–1 | League One · England |
| 2018-02-24 | NorthamptonvOxfordLeague One · England | 0–0 | League One · England |
| 2018-02-17 | ScunthorpevNorthamptonLeague One · England | 2–2 | League One · England |
| 2018-02-13 | NorthamptonvGillinghamLeague One · England | 1–2 | League One · England |
| 2018-02-10 | AFC WimbledonvNorthamptonLeague One · England | 1–3 | League One · England |
| 2018-02-03 | NorthamptonvRochdaleLeague One · England | 0–1 | League One · England |
| 2018-01-27 | BlackburnvNorthamptonLeague One · England | 1–1 | League One · England |
| 2018-01-20 | NorthamptonvMilton Keynes DonsLeague One · England | 2–1 | League One · England |
| 2018-01-13 | BradfordvNorthamptonLeague One · England | 1–2 | League One · England |
| 2018-01-06 | NorthamptonvSouthendLeague One · England | 3–1 | League One · England |
| 2018-01-01 | NorthamptonvWiganLeague One · England | 0–1 | League One · England |