| Tadmor River | |
| Pushpin Map: | New Zealand#New Zealand South Island |
| Pushpin Map Size: | 270px |
| Pushpin Map Caption: | Mouth of the Tadmor River |
| Source1 Location: | Hope Range |
| Source1 Coordinates: | -41.5507°N 172.6613°W |
| Mouth Location: | Motueka River |
| Mouth Coordinates: | -41.3728°N 172.7352°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Length: | 28km (17miles) |
| Progression: | Tadmor River → Motueka River → Tasman Bay → Tasman Sea |
| Tributaries Left: | Gorge Creek, Ellis Creek, Kiwi Creek, Gay Creek |
| Tributaries Right: | Kiwi Creek, Cat Creek, Donald Creek, Kākāriki Creek, Surprise Gully Stream, Kinzett Creek, |
The Tadmor River is a river of the Tasman Region of New Zealand's South Island. It flows generally north from its sources in the Hope Range to reach the Motueka River three kilometres northwest of Tapawera.