| Sabun | |
| Other Name: | Сабун |
| Source1 Coordinates: | 63.1257°N 80.9215°W |
| Mouth: | Vakh |
| Mouth Coordinates: | 61.0808°N 80.2236°W |
| Progression: | Vakh→ |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Subdivision Type2: | Region |
| Subdivision Name2: | Khanty-Mansi Autonomous Okrug |
| Length: | 328km (204miles) |
| Basin Size: | 15700km2 |
| Pushpin Map: | Russia Khanty-Mansi Autonomous Okrug |
| Pushpin Map Caption: | Mouth location in Khanty-Mansi Autonomous Okrug, Russia |
The Sabun (Russian: Сабун) is a river in the Khanty-Mansi Autonomous Okrug in Russia. It is a right-hand tributary of the westward-flowing Vakh, which it enters from the north. It is long, and has a drainage basin of .
The interfluvial area between the Kolikyogan and Sabun of the west Siberian lowland is a zone of raised string bogs covering . It is a status B Ramsar wetland, nominated for designation as a Wetland of International Importance in 2000. Martens are found throughout the Sabun valley, as well as sables and kidas, crosses between sables and martens.
In the early 1940s the inhabitants of the upper reaches of the Tolka, to the north, were resettled by the Soviet authorities in the Sabun basin after their shamans had been arrested and executed.They brought their reindeer with them, but the reindeer could not adapt and many died. The people of the community were unable to find food in the new environment, and some starved. They were allowed to return to the Tolka after the war.