The Mga (Russian: Мга) is a river in Kirovsky and Tosnensky Districts of Leningrad Oblast in northwestern Russia. Mga is a left tributary of the Neva. The urban-type settlements of Mga and Pavlovo are located on the river. The length of the Mga is 93 kilometres, and the area of its basin is 754 square kilometres. The principal tributaries of the Mga are the Beryozovka and the Voytolovka.
