| Kaiwaka River | |
|---|---|
 | |
| Location | |
| Country | New Zealand |
| Physical characteristics | |
| Length | 10 km (6 mi) |
The Kaiwaka River is a river of New Zealand's Northland Region. For much of its length, it is a broad arm of the Otamatea River, as much an inlet of the Kaipara Harbour as a true river.