| Butler River | |
| Pushpin Map: | New Zealand#New Zealand South Island |
| Pushpin Map Size: | 270px |
| Pushpin Map Caption: | Mouth of the Butler River |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Subdivision Type2: | region |
| Subdivision Name2: | West Coast Region |
| Subdivision Type3: | District |
| Subdivision Name3: | Westland District |
| Length: | 8.9km (05.5miles) |
| Source1: | Whataroa Glacier |
| Source1 Location: | Southern Alps / Kā Tiritiri o te Moana |
| Source1 Coordinates: | -43.4028°N 170.5078°W |
| Source1 Elevation: | 1200m (3,900feet) |
| Mouth: | Whataroa River |
| Mouth Location: | 15km (09miles) southeast of Whataroa |
| Mouth Coordinates: | -43.4083°N 170.4133°W |
| Mouth Elevation: | 310m (1,020feet) |
| Waterbodies: | Ice Lake |
The Butler River is a river of New Zealand. The source of the river is the Whataroa Glacier on the north western slopes of McKinnon Peak in the Southern Alps. From there the river flows in a west direction reaching the Whataroa River 15km (09miles) southeast of Whataroa.