| Gus | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Length: | 147km (91miles) |
| Mouth: | Oka |
| Mouth Coordinates: | 54.9992°N 41.1867°W |
| Basin Size: | 3910km2 |
The Gus (Russian: Гусь, lit. goose) is a river in Vladimir and Ryazan Oblasts, Russia. It is a left tributary of the Oka. It is long, and has a drainage basin of .[1]
The names of several inhabited localities locating along the river's bank are derived from the river's name (Gus-Khrustalny, Gusevsky, Gus-Zhelezny, Gus-Parakhino, Gusevsky Pogost). According to, the literal translation of the river's name as "goose" is a folk etymology, and the origin of the name lies in an unknown substrate language from which some other local toponyms ending with "-us" (i.e. Charus, Iberdus etc.) also derive.[2]
On the river Gus the Gus Crystal plant is located. It is world-famous production site of original Russian crystal which gave the name to the Gus-Khrustalny city.