Tom (Russian: Томь) is a river in Russia, the left tributary of the river Zeya. Its length is 433 km. 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 River.
Coordinates: 51°01′07″N 127°53′14″E / 51.0186°N 127.8873°E