Ubort River (Russian: Уборть) is a river in Zhytomyr Oblast (Ukraine) and Homiel Voblast (Belarus), a right tributary to the Pripyat River (Dnieper basin). The length of the river is 292 km, the area of its drainage basin is 5820 km². The Ubort freezes up in November - January and remains icebound until the 2nd half of February - 1st half of April.