| Poerua River | |
| Pushpin Map: | New Zealand |
| Pushpin Map Caption: | Location of the Poerua River |
| Pushpin Map Alt: | Relief map of New Zealand |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Subdivision Type2: | Region |
| Subdivision Name2: | West Coast |
| Subdivision Type3: | District |
| Subdivision Name3: | Grey District |
| Source1: | Lake Poerua |
| Mouth: | Crooked River |
| Progression: | Crooked River→ Lake Brunner→ Arnold River→ Grey River / Māwheranui→ Tasman Sea |
Poerua River is a river in the Grey District in the West Coast region of New Zealand's South Island. It flows around the base of Mount Te Kinga from Lake Poerua into the Crooked River, which leads to Lake Brunner.