The Vozha () is a river in Ryazan Oblast, Russia. It is a right tributary of the Oka. It is long, and its drainage basin covers .«Река ВОЖА», Russian State Water Registry

The town of Rybnoye is situated by the Vozha.

In August 1378, Muscovite prince Dmitry Donskoy defeated a Mongol army in the Battle of the Vozha River.

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