| Maramataha River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Subdivision Type2: | Region |
| Subdivision Name2: | Manawatū-Whanganui |
| Subdivision Type3: | District |
| Subdivision Name3: | Ruapehu |
| Length: | 39km (24miles) |
| Source1: | Hauhungaroa Range |
| Source1 Location: | Pureora Forest Park |
| Source1 Elevation: | 900m (3,000feet) |
| Mouth: | Ongarue River |
| Mouth Coordinates: | -38.6539°N 175.3161°W |
| Mouth Elevation: | 190m (620feet) |
| Progression: | Maramataha River → Ongarue River → Whanganui River |
| River System: | Whanganui River |
The Maramataha River is a river in the Manawatū-Whanganui region of New Zealand. The river rises west of Lake Taupō and flows generally west to become a tributary of the Ongarue River.