Lake Vojmsjön is located in Vilhelmina Municipality in Västerbotten County in the Swedish historical province of Lapland, north of Vilhelmina and west of Storuman. The lake, which is located at an altitude of 417.1 m above sea level, is 83.4 km² in size and has a maximum depth of 130 meters. The river Vojmån, a left tributary of the Ångermanälven, flows through the lake. The distance to the sea is 333 km.
