| Tom | |
| Map: | Tom river.png |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Subdivision Type3: | Region |
| Subdivision Name3: | Kemerovo Oblast, Khakassia, Tomsk Oblast |
| Subdivision Type5: | Cities |
| Subdivision Name5: | Seversk, Tomsk, Yurga, Kemerovo, Novokuznetsk, Mezhdurechensk |
| Length: | 827km (514miles) |
| Source1: | Levaya Tom |
| Source1 Location: | Khakassia |
| Source2: | Pravaya Tom |
| Source2 Location: | Abakan range |
| Mouth: | Ob |
| Mouth Location: | Novosibirsk |
| Mouth Coordinates: | 56.8904°N 84.4568°W |
| Basin Size: | 62000km2 |
| Tributaries Left: | Mrassu, Kondoma, Aba, Chernovoy Naryk, Unga, Iskitim |
| Tributaries Right: | Belsu, Usa, Verchnaya Ters, Srednaya Ters, Nizhnaya Ters, Taydon, Basandayka, Ushayka |
The Tom (Russian: Томь, pronounced as /ru/; Том; Том) is a river in Russia, a right tributary of the Ob in central Siberia. Its watershed lies within the Republic of Khakassia, Kemerovo Oblast, and Tomsk Oblast.[1] It is long, and has a drainage basin of .
The Tom flows from the Abakan Range (a northern continuation of the Altai Mountains) northward through the Kuznetsk Basin. It joins the Ob approximately 50km (30miles) north of Tomsk.
Cities on the Tom River include Mezhdurechensk, Novokuznetsk, Kemerovo, Yurga, Tomsk, and Seversk.
The Aba people live near the Tom River.
The largest tributaries of the Tom are, from source to mouth: