|Traditional region||Inner Carniola|
|Statistical region||Littoral–Inner Carniola|
|• Total||2.05 km2 (0.79 sq mi)|
|Elevation||529.3 m (1,736.5 ft)|
Matenja Vas (pronounced [maˈteːnja ˈʋaːs]; Slovene: Matenja vas, German: Mautersdorf, Italian: Mategna) is a village south of Postojna in the Inner Carniola region of Slovenia.
The parish church in the settlement is dedicated to John the Baptist and belongs to the Koper Diocese. It was built in the mid-17th century on the site of an older chapel.