| Official Name: | Spodnji Duplek |
| 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: | Drava |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Duplek |
| Area Total Km2: | 3.62 |
| Population As Of: | 2020 |
| Population Total: | 1689 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 46.5053°N 15.7467°W |
| Elevation M: | 238.4 |
| Footnotes: | [1] |
Spodnji Duplek (in Slovenian pronounced as /ˈspoːdnji ˈduːplɛk/) is a settlement and the administrative centre of the Municipality of Duplek in northeastern Slovenia. It lies on the left bank of the Drava River southeast of Maribor. The area is part of the traditional region of Styria. The municipality is now included in the Drava Statistical Region.[2]
A Neo-Baroque chapel-shrine with a belfry at the crossroads in the centre of the settlement dates to 1860.[3]