| Official Name: | Martinja Vas |
| Pushpin Map: | Slovenia |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Slovenia |
| Subdivision Type: | Country |
| Subdivision Name: | Slovenia |
| Subdivision Type1: | Traditional region |
| Subdivision Name1: | Lower Carniola |
| Subdivision Type2: | Statistical region |
| Subdivision Name2: | Southeast Slovenia |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Trebnje |
| Area Total Km2: | 1.98 |
| Population As Of: | 2002 |
| Population Total: | 101 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 45.9346°N 14.9373°W |
| Elevation M: | 327.4 |
| Footnotes: | [1] |
Martinja Vas (in Slovenian pronounced as /maɾˈtiːnja ˈʋaːs/; Slovenian: Martinja vas, German: Martinsdorf[2]) is a small village southwest of Šentlovrenc in the Municipality of Trebnje in eastern Slovenia. The area is part of the historical region of Lower Carniola. The municipality is now included in the Southeast Slovenia Statistical Region.[3]
The local church is dedicated to Mary Magdalene and belongs to the Parish of Šentlovrenc. It is a Gothic building, first mentioned in written documents dating to 1526.[4]