| Official Name: | Matenja Vas |
| Settlement Type: | Village |
| Pushpin Map: | Slovenia |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Slovenia |
| Subdivision Type: | Country |
| Subdivision Name: | Slovenia |
| Subdivision Type1: | Traditional region |
| Subdivision Name1: | Inner Carniola |
| Subdivision Type2: | Statistical region |
| Subdivision Name2: | Littoral–Inner Carniola |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Postojna |
| Area Total Km2: | 2.05 |
| Population As Of: | 2002 |
| Population Total: | 329 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 45.7415°N 14.1939°W |
| Elevation M: | 529.3 |
| Footnotes: | [1] |
Matenja Vas (in Slovenian pronounced as /maˈteːnja ˈʋaːs/; Slovenian: Matenja vas, German: Mautersdorf,[2] Italian: Mategna) is a village south of Postojna in the Inner Carniola region of Slovenia.[3]
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.[4]