The Shuya is a river in the Republic of Karelia in Russia. The length of the river is 194 km. The area of its basin is 10,100 km2. The Shuya flows out of Lake Suoyarvi and discharges into Lake Logmozero, which is connected with Lake Onega by a 0.8 km watercourse. The river freezes up between November and January and stays icebound until April or the first half of May.