| Piz | |
| Source1 Location: | Yelovsky District |
| Mouth: | Buy |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Progression: | Buy→ |
| Length: | 151km (94miles) |
| Mouth Coordinates: | 56.2429°N 54.3854°W |
| Basin Size: | 2210km2 |
The Piz (Russian: Пизь) is a right tributary of the river Buy in Perm Krai, the Republic of Bashkortostan and the Republic of Udmurtia, Russia. It is 151km (94miles) long, with a drainage basin of 2210km2.[1] It starts in the Yelovsky District of Perm Krai, then flows through Chaikovsky District on the border with Bashkortostan. It empties into the Buy on the border between the Udmurt Republic and Bashkortostan, 20km (10miles) from the larger river's mouth.
Main tributaries:[1]