| Johnson River | |
| Pushpin Map: | New Zealand#New Zealand South Island |
| Pushpin Map Size: | 270px |
| Pushpin Map Caption: | Mouth of the Johnson River |
| Source1: | Confluence of the Silver Creek and an unnamed stream |
| Source1 Coordinates: | -41.3934°N 172.2612°W |
| Mouth Location: | Allen River |
| Mouth Coordinates: | -41.4756°N 172.2858°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Length: | 13km (08miles) |
| Progression: | Johnson River → Allen River → Mōkihinui River North Branch → Mōkihinui River → Karamea Bight → Tasman Sea |
| Tributaries Right: | Fugel Creek, Little Fugel Creek, Deep Creek |
The Johnson River is a river of the northwestern South Island of New Zealand.[1] It is located within the Radiant Range and flows mostly in a southerly direction to join with the Allen River shortly before the latter joins the Mōkihinui River North Branch.[2]