| Argut | |
| Mouth: | Katun |
| Mouth Coordinates: | 50.2389°N 86.6761°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Length: | 232km (144miles) |
| Basin Size: | 9550km2 |
The Argut (; Southern Altai: Аркыт, Arkıt) is a river in central Altai Republic, a right tributary of Katun. Upstream from its confluence with the Dzhazator, it is called Akalakha.
The Argut is long (including Akalakha), and has a drainage basin of . Due to the abundance of glaciers 40% of the runoff is yielded glaciers and permanent snow (in particular, from the northern slope of the Tavan Bogd massif), 34% - seasonal snow 17% - rain, 9% - by groundwater. The river is frozen from November until April.