| Official Name: | Šmartno ob Dreti |
| Pushpin Map: | Slovenia |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Slovenia |
| Subdivision Type: | Country |
| Subdivision Name: | Slovenia |
| Subdivision Type1: | Traditional region |
| Subdivision Name1: | Styria |
| Subdivision Type2: | Statistical region |
| Subdivision Name2: | Savinja |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Nazarje |
| Area Total Km2: | 4.76 |
| Population As Of: | 2002 |
| Population Total: | 283 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 46.2835°N 14.8892°W |
| Elevation M: | 376.7 |
| Footnotes: | [1] |
Šmartno ob Dreti (in Slovenian pronounced as /ˈʃmaːɾtnɔ ɔb ˈdɾeːti/) is a village on the Dreta River in the Municipality of Nazarje in Slovenia. The area belongs to the traditional region of Styria and is now included in the Savinja Statistical Region.[2]
The local parish church in the centre of the village is dedicated to Saint Martin and belongs to the Roman Catholic Diocese of Celje. It was first mentioned in documents dating to 1426, but has numerous later additions.[3]