| Rezh | |
| Mouth Coordinates: | 57.9117°N 62.3108°W |
| Subdivision Type1: | Country |
| Length: | 219km (136miles) |
| Basin Size: | 4400km2 |
| Map: | Tura_watershed_2_layers_en.svg |
The Rezh (Russian: Реж) is a river in Sverdlovsk Oblast, Russia. At its confluence with the Neyva, the Nitsa (a tributary of the Tura, Ob's drainage basin) is formed. It is 219km (136miles) long, with a drainage basin of 4400km2.
The Rezh has its sources in the central Ural Mountains, and flows towards the northeast towards its confluence with the Neyva. The largest town by the river is Rezh.