| Tom | |
| Mouth: | Zeya |
| Mouth Coordinates: | 51.0186°N 127.8873°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Length: | 433km (269miles) |
| Basin Size: | 16000km2 |
| Pushpin Map: | Russia Amur Oblast |
| Pushpin Map Caption: | Mouth location in Amur Oblast, Russia |
The Tom is a river in Russia, a left tributary of the river Zeya. It is long, and has a drainage basin of . Its source is near the border between Amur Oblast and Khabarovsk Krai. It flows into the Zeya (itself a tributary of the Amur) between Svobodny and Blagoveshchensk. The city of Belogorsk lies on the Tom.[1]