| Coldstream River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Australia |
| Subdivision Type2: | State |
| Subdivision Name2: | New South Wales |
| Subdivision Type3: | IBRA |
| Subdivision Name3: | NSW North Coast |
| Subdivision Type4: | District |
| Subdivision Name4: | Northern Rivers |
| Subdivision Type5: | Local government area |
| Subdivision Name5: | Clarence Valley |
| Length Km: | 43 |
| Source1: | Below Glenugie Peak |
| Source1 Location: | near Brown Knob Trigonometric Station |
| Source1 Elevation: | 32m (105feet) |
| Mouth: | confluence with the South Arm of the Clarence River |
| Mouth Location: | near Tyndale |
| Mouth Elevation: | 0.326m (01.07feet) |
| River System: | Clarence River catchment |
| Custom Label: | National park |
| Custom Data: | Yuraygir National Park |
| Extra: | [1] |
Coldstream River, a watercourse of the Clarence River catchment, is located in the Northern Rivers district of New South Wales, Australia.
Coldstream River rises below Glenugie Peak, near Brown Knob Trignometric Station and flows generally north by east, before reaching its confluence with the South Arm of the Clarence River, near Tyndale; descending over its course;[1] as it flows through Yuraygir National Park and past the village of Tucabia.