| Official Name: | Kostanjevec |
| Pushpin Map: | Slovenia |
| Pushpin Label Position: | top |
| 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: | Slovenska Bistrica |
| Area Total Km2: | 2 |
| Population As Of: | 2002 |
| Population Total: | 286 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 46.3945°N 15.514°W |
| Elevation M: | 333.4 |
| Footnotes: | [1] |
Kostanjevec (in Slovenian pronounced as /kɔˈstaːnjɛʋəts/) is a settlement in the hills west of Slovenska Bistrica in northeastern Slovenia. The area is part of the traditional region of Styria. It is now included with the rest of the Municipality of Slovenska Bistrica in the Drava Statistical Region.[2]