| Tuamarina River | |
| Subdivision Type1: | County |
| Subdivision Name1: | New Zealand |
| Subdivision Type2: | Island |
| Subdivision Name2: | South Island |
| Subdivision Type3: | Region |
| Subdivision Name3: | Marlborough |
| Mouth: | Wairau River |
| Mouth Location: | Near Tuamarina |
| Mouth Coordinates: | -41.4333°N 231°W |
Tuamarina River is a river in Marlborough in the South Island of New Zealand. It flows into the Wairau River just south of Tuamarina.[1] [2]