Voșlăbeni (also Voșlobeni; Hungarian: Vasláb, Hungarian pronunciation: [ˈvɒʃlaːb]) is a commune in Harghita County, Transylvania, Romania composed of two villages: Izvoru Mureșului (Marosfő) and Voșlăbeni.

The river Mureș has its source in Izvoru Mureșului, at an altitude of 866 m (2,841 ft). The Chindeni joins the Mureș near Voșlăbeni. The administration of the Cheile Bicazului-Hășmaș National Park is located in Izvoru Mureșului.

In 2011, 1,921 people lived in the commune, of which 1,127 or 58.67% are Romanians, 771 or 40.14% are Hungarians. Of the latter, around half live in the village of Izvoru Mureșului, which has a Hungarian majority of 58.75%.