Velika Usora River (English: Big Usora) is a river in central-northern Bosnia and Herzegovina.

At its confluence with the Mala Usora River, at Teslić, it creates the Usora River.

[1] The Velika Usora has been historically important for the industrial development of Teslić, including a chemical factory and a steam-powered sawmill.

[2] This article related to a river in Bosnia and Herzegovina is a stub.

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