| Pyakupur | |
| Other Name: | Пякупур |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Subdivision Type2: | Region |
| Subdivision Name2: | Yamalia |
| Source1: | Siberian Uvaly |
| Source1 Location: | near Muravlenko, Yamalia |
| Source1 Elevation: | 111m (364feet) |
| Mouth: | Pur |
| Mouth Location: | near Tarko-Sale, Yamalia |
| Mouth Coordinates: | 64.9472°N 77.8139°W |
| Mouth Elevation: | 16m (52feet) |
| Length: | 542km (337miles) |
| Discharge1 Avg: | 290m3/s |
| Basin Size: | 31400km2[1] |
| Pushpin Map: | Russia Yamalo-Nenets Autonomous Okrug |
| Pushpin Map Caption: | Mouth location in Yamalo-Nenets Autonomous Okrug, Russia |
The Pyakupur (Russian: Пякупур) is a river in Yamalo-Nenets Autonomous Okrug, Russia, the left source river of the Pur. The length of the Pyakupur is 542 km. The area of its basin is 31,400 km2.[2] There are approximately 32,600 lakes in the river basin. The main tributaries: Vyngypur (right) and Purpe (left). The river's peak month of discharge is June. The average discharge of water 290 m3/s.