| Official Name: | Dolnja Prekopa |
| 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: | Lower Sava |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Kostanjevica na Krki |
| Area Total Km2: | 1.12 |
| Population As Of: | 2002 |
| Population Total: | 236 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 45.8537°N 15.3811°W |
| Elevation M: | 158 |
| Postal Code: | 8311 |
| Footnotes: | [1] |
Dolnja Prekopa (in Slovenian pronounced as /ˈdoːlnja ˈpɾeːkɔpa/; in older sources also Dolenje Prekope,[2] German: Unterprekope[2]) is a settlement in the Municipality of Kostanjevica na Krki in eastern Slovenia. The area is part of the traditional region of Lower Carniola. It is now included in the Lower Sava Statistical Region.[3]
There is a small chapel-shrine in the village. It was built in the early 20th century.[4]