| Mangaone River | |
| Source1 Location: | Mount Baker |
| Mouth Location: | Tiraumea River |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Source1 Elevation: | 310m (1,020feet) |
| Mouth Elevation: | 95m (312feet) |
The Mangaone River is a river of the Manawatū-Whanganui Region of New Zealand's North Island. Rising on the slopes of Mount Baker, it flows north and northeast to meet the Tiraumea River 2km (01miles) south of the settlement of Kaitawa.