| Mangatera River | |
| Mouth Location: | Rangitīkei River |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Length: | 130NaN0 |
The Mangatera River is a river of the Manawatū-Whanganui region of New Zealand's North Island. It flows northwest from its origins in the Ruahine Range to reach the Rangitīkei River 25km (16miles) east of Taihape.