| Waikākaho River | |
| Mouth Location: | Wairau River |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Length: | 140NaN0 |
The Waikākaho River is a river of the Marlborough Region of New Zealand's South Island. It flows south from its sources southeast of Havelock to reach the Wairau River 5km (03miles) west of Tuamarina.
The New Zealand Ministry for Culture and Heritage gives a translation of "waters of the flowering plumes of the toetoe" for Maori: Waikākaho.[1]