| Mataikona River | |
| Pushpin Map: | New Zealand |
| Pushpin Map Caption: | Location of Mataikona River mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Subdivision Type2: | Region |
| Subdivision Name2: | Wellington |
| Subdivision Type3: | District |
| Subdivision Name3: | Masterton |
| Length: | 26km (16miles) |
| Mouth Location: | Pacific Ocean |
| Mouth Coordinates: | -40.7833°N 192°W |
The Mataikona River is a river of the Wairarapa of New Zealand's North Island. It flows generally southwest from its sources in rugged hill country 30km (20miles) southwest of Pahiatua, flowing to the Pacific Ocean which it reaches 15km (09miles) northeast of Castlepoint.