The Luza (Russian: Луза) is a river in Oparinsky and Luzsky Districts of Kirov Oblast, Priluzsky District of the Komi Republic, and Velikoustyugsky District of Vologda Oblast in Russia. It is a right tributary of the Yug River. It is 574 kilometers (357 mi) long, and the area of its drainage basin is 18,300 square kilometers (7,100 sq mi). Its main tributaries are the Lopyu, the Porub, the Lekhta, and the Lala (all from the right). The town of Luza and the urban-type settlement of Lalsk are located on the banks of the Luza, as well as the selo of Obyachevo, the administrative center of Priluzsky District.