| Tromyogan | |
| Other Name: | Тромъёган |
| Mouth: | Ob |
| Mouth Coordinates: | 61.2165°N 73.7023°W |
| Length: | 581km (361miles) |
| Source1: | Siberian Uvaly |
| Basin Size: | 55600km2 |
| Tributaries Right: | Agan |
| Pushpin Map: | Russia Khanty-Mansi Autonomous Okrug |
| Pushpin Map Caption: | Mouth location in Khanty-Mansi Autonomous Okrug, Russia |
The Tromyogan (ru|Тромъёган) is a river in Khanty-Mansi Autonomous Okrug, Russia, a tributary of the Ob. It is long, and has a drainage basin of .
The Tromyogan is a right tributary of the Ob river. It has its sources in the Siberian Uvaly. The river flows to the north of the Vatinsky Yogan basin.[1]
The main tributary of the Tromyogan is the 544km (338miles) long Agan on the right.
