The Matyra () is a river in the Tambov and Lipetsk oblasts of Russia. It is a left tributary of the river Voronezh (in the Don's drainage basin).Матыра, Great Soviet Encyclopedia It has a length of and a drainage basin of .«Река БАРЫШ», Russian State Water Registry The average discharge from its mouth is . The town of Gryazi is along the Matyra.

A reservoir was created on the river in 1976.

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