| Mistake River | |
| Source1 Location: | Hall Range |
| Mouth Location: | Lake Tekapo |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Length: | 23km (14miles) |
The Mistake River is a river of the Canterbury region of New Zealand's South Island. It flows south from the Hall Range to the northwest of Lake Tekapo, turning east at the southern end of the range to flow into the western edge of the lake.