| Whirinaki River | |
| Pushpin Map: | New Zealand#New Zealand North Island |
| Pushpin Map Size: | 270px |
| Pushpin Map Caption: | Mouth of the Whirinaki River |
| Source1 Coordinates: | -38.8254°N 176.7006°W |
| Mouth Location: | Rangitaiki River |
| Mouth Coordinates: | -38.4371°N 176.7049°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Length: | 46km (29miles) |
| Progression: | Whirinaki River → Rangitaiki River → Bay of Plenty |
| Tributaries Left: | Te Kohu Stream, Otaika Stream, Te Tehi Stream, Waiatiu Stream, Waiakaka Stream, Paripahekeheke Stream, Upper Okahu Stream, Rautahi Stream, Waione Stream, Waikotikoti Stream, Kopikopiko Stream, Hukanui Stream, Rorokuri Stream, Tuwhare Stream, Korokio Stream, Paeoutu Stream, Ariki Tuhoe Stream, Mangawiri Stream |
| Tributaries Right: | Taumutu Stream, Kakanui Stream, Mangatata Stream, Upper Mangamate Stream, Otamaariki Stream, Kakiraoa Stream, Minginui Stream, Poiatangata Stream, Tunakapakapa Stream, Hauwai Stream, Kaitane Stream, Whataroa Stream, Tauwharekopua Stream, Te Tutiri Stream, Tutaengaro Stream, Wharekaikereru Stream, Okahu Stream, Raratuna Stream, Mangakirikiri Stream, Kaikope Stream, Mangakino Stream, Whakaruaki Stream, Maraetahia Stream, Hangarau Stream |
| Waterfalls: | Whirinaki Falls, Whirinaki Forest Iconic Waterfall, Mangamate Waterfall |
The Whirinaki River is a river of the Hawke's Bay and Bay of Plenty Regions of New Zealand's North Island. It flows generally north through the Whirinaki Te Pua-a-Tāne Conservation Park and Kaingaroa Forest to reach the Rangitaiki River 3km (02miles) north of Murupara.