| Official Name: | Lopar |
| Other Name: | Loparo |
| Pushpin Map: | Slovenia |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Slovenia |
| Coordinates: | 45.5084°N 13.8251°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Slovenia |
| Subdivision Type1: | Traditional region |
| Subdivision Name1: | Littoral |
| Subdivision Type2: | Statistical region |
| Subdivision Name2: | Coastal–Karst |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Koper |
| Area Total Km2: | 2.45 |
| Elevation M: | 302.8 |
| Population Total: | 85 |
| Population As Of: | 2002 |
| Footnotes: | [1] |
Lopar (pronounced as /sl/; it|Loparo) is a small village in the City Municipality of Koper in the Littoral region of Slovenia.[2]
The small church in the settlement is dedicated to Saint Rufus and belongs to the Parish of Truške.[3]