| Chulym | |
| Other Name: | Чулым |
| Mouth: | Lake Malye Chany |
| Mouth Coordinates: | 54.6061°N 78.0975°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Length: | 392km (244miles) |
| Basin Size: | 17900km2 |
| Tributaries Right: | Kargat |
| Pushpin Map: | Russia Novosibirsk Oblast |
| Pushpin Map Caption: | Mouth location in Novosibirsk Oblast, Russia |
The Chulym (Russian: Чулым) is a river in the endorheic drainage basin of Lake Chany in the southeastern part of the West Siberian Plain in Russia. The river is 392km (244miles) long, with a drainage basin of 17900km2.
The Chulym is formed by several tributaries in the Toyskoye Zaymishche (Russian: Тойское Займище) and Troshinskoye Zaymishche (Russian: Трошинское Займище) swamps north of Baraba Steppe, some 100km (100miles) northwest of Novosibirsk, at an elevation of 150m (490feet). The river flows over the Baraba Steppe in a southwesterly direction, and flows through the lakes of Sargul (Russian: Саргуль), 34.6km2, and Uryum (Russian: Урюм), 84.1km2, before it finally terminates, at 106m (348feet) elevation, in Lake Malye Chany (Russian: Малые Чаны - Little Chany), which is connected to Lake Chany through a short strait.
In its lower reaches the river is some 30m (100feet) wide and 5m (16feet) deep. Its main tributaries are the Suma River (left), and the Kargat River (right).
In its upper course is the town of Chulym, named after the river. Here the river is crossed by the Trans-Siberian Railway and the M51 highway.
The Chulym is frozen over from November to April or May.