| Waitangi River | |
| Mouth Coordinates: | -35.6667°N 174.509°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Length: | 15km (09miles) |
The Waitangi River is one of two so named in the Northland Region of New Zealand's North Island. It flows south then east from its origins in hills north of Whangārei, reaching the east coast at Ngunguru Bay, five kilometres south of Ngunguru.