Ugra on jõgi Venemaal Smolenski ja Kaluga oblastis, Oka vasakpoolne lisajõgi.
Jõe pikkus on 399 kilomeetrit, valgla pindala 15 700 ruutkilomeetrit. Jõgi saab alguse Smolenski kõrgustikult Smolenski oblasti kaguosas.
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