| Bonar River | |
| Pushpin Map: | New Zealand South Island#New Zealand |
| Pushpin Map Size: | 270px |
| Pushpin Map Caption: | Mouth of the Bonar River |
| Source1: | Bell Glacier |
| Source1 Coordinates: | -44.2711°N 168.8502°W |
| Mouth Location: | Waiatoto River |
| Mouth Coordinates: | -44.2656°N 168.793°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Subdivision Type2: | Region |
| Subdivision Name2: | West Coast Region |
| Subdivision Type3: | District |
| Subdivision Name3: | Westland |
| Length: | 50NaN0 |
| Tributaries Right: | Stormwater Stream |
The Bonar River is a short river of New Zealand. It is in Mount Aspiring National Park and flows west for 5km (03miles) before joining the Waiatoto River. Its source is on the slopes of Mount Taurus, 15km (09miles) northeast of Mount Aspiring / Tititea.