| Barysh | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Length Km: | 247 |
| Mouth: | Sura |
| Mouth Coordinates: | 54.5942°N 46.8033°W |
| Basin Size Km2: | 5800 |
The Barysh (ru|Бары́ш) is a river in Ulyanovsk Oblast, Russia. It is a right tributary of the Sura (in Volga's drainage basin). It is long, and has a drainage basin of .[1] The river flows over the northern parts of the Volga Upland. It is frozen over from November to April. The town of Barysh is situated by the river.