| Windward River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Subdivision Type2: | Region |
| Subdivision Name2: | Southland, |
| Subdivision Type3: | District |
| Subdivision Name3: | Southland |
| Length: | 16km (10miles) |
| Source1: | Double Peak |
| Mouth: | Gold Arm |
| Mouth Location: | Charles Sound |
| Mouth Elevation: | Sea Level |
The Windward River is a river in Fiordland, New Zealand, flowing into Gold Arm, Charles Sound. The estuary of the Windward River is protected by the Kahukura (Gold Arm) Marine Reserve.