| Official Name: | Spodnje Mestinje |
| 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: | Styria |
| Subdivision Type2: | Statistical region |
| Subdivision Name2: | Savinja |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Šmarje pri Jelšah |
| Area Total Km2: | 0.89 |
| Population As Of: | 2002 |
| Population Total: | 51 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 46.2023°N 15.572°W |
| Elevation M: | 206.5 |
| Footnotes: | [1] |
Spodnje Mestinje (pronounced as /sl/) is a settlement in the Municipality of Šmarje pri Jelšah in eastern Slovenia. It lies just west of the regional road from Šmarje to Podčetrtek. The area is part of the historical Styria region. The entire municipality is now included in the Savinja Statistical Region.[2]