| Type: | commune |
| County: | Harghita |
| Official Name: | Voșlăbeni |
| Other Name: | Vasláb |
| Leader Name: | Mihail Dumitru Tinca [1] |
| Leader Party: | PSD |
| Term: | 2020 - 2024 |
| Coordinates: | 46.65°N 63°W |
| Elevation: | 786 |
| Area Total: | 59.52 |
| Population Total: | auto |
| Postal Code: | 537355 |
| Area Code: | +40 266 |
Voșlăbeni (also Voșlobeni; Hungarian: Vasláb, Hungarian pronunciation: NaNv) 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 . 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%.