The Amazar (Russian: Амазар) is a river in Zabaykalsky Krai, Russia. It is a tributary of the Amur, with a length of 290 kilometres and a drainage basin area of 11,100 square kilometres.
The name originated in the Evenki language, meaning mouth in the ground.
A stretch of the Trans-Siberian Railway runs along the valley of the Amazar with Mogocha, Razdolnaya, Taptugary and Semiozerny stations located near the river.
The Amazar is the river in Transbaikalia where salmon are more abundant.
