| Pourangaki River | |
| Pushpin Map: | New Zealand |
| Pushpin Map Size: | 270px |
| Pushpin Map Caption: | Pourangaki River location |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Subdivision Type2: | Region |
| Subdivision Name2: | Manawatū-Whanganui |
| Subdivision Type3: | District |
| Subdivision Name3: | Rangitikei District |
| Length: | 23km (14miles) |
| Source1: | Taumataomekura |
| Source1 Location: | Ruahine Range |
| Source1 Coordinates: | -39.8869°N 176.1119°W |
| Source1 Elevation: | 1500m (4,900feet) |
| Mouth: | Kawhatau River |
| Mouth Coordinates: | -39.8103°N 175.9617°W |
| Mouth Elevation: | 430m (1,410feet) |
| Progression: | Pourangaki River → Kawhatau River → Rangitīkei River |
| River System: | Rangitīkei River |
The Pourangaki River is a river of the Manawatū-Whanganui region of New Zealand's North Island. It flows northwest from sources in the Ruahine Range, reaching the Kawhatau River 13km (08miles) east of Mangaweka.