| Don | |
| Map Size: | 250 |
| Pushpin Map: | Australia Victoria |
| Pushpin Map Size: | 250 |
| Pushpin Map Caption: | Location of the Don River mouth in Victoria |
| Subdivision Type1: | Country |
| Subdivision Name1: | Australia |
| Subdivision Type2: | State |
| Subdivision Name2: | Victoria |
| Subdivision Type3: | Region |
| Subdivision Name3: | Central Victoria (IBRA), Yarra Valley |
| Subdivision Type5: | Local government area |
| Subdivision Name5: | Yarra Ranges |
| Source1: | Yarra Ranges, Great Dividing Range |
| Source1 Location: | below Mount Toolebewong |
| Source1 Coordinates: | -37.7006°N 145.5761°W |
| Mouth: | confluence with the Yarra River |
| Mouth Location: | near |
| Mouth Coordinates: | -37.7686°N 145.5764°W |
| River System: | Port Phillip catchment |
| Extra: | [1] |
The Don River is a perennial river of the Port Phillip catchment, located in the Central region of the Australian state of Victoria.
The Don River rises below Mount Toolebewong, part of the Yarra Ranges of the Great Dividing Range, in remote country within the Yarra Ranges National Park. The river flows generally south by west before reaching its confluence with the Yarra River near .