| Official Name: | Olševek |
| 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: | Upper Carniola |
| Subdivision Type2: | Statistical region |
| Subdivision Name2: | Upper Carniola |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Šenčur |
| Population As Of: | 2002 |
| Population Total: | 313 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 46.2818°N 14.4375°W |
| Elevation M: | 469.6 |
| Footnotes: | [1] |
Olševek (pronounced as /sl/; in older sources also Viševek,[2] German: Olscheuk[2]) is a village in the Municipality of Šenčur in the Upper Carniola region of Slovenia.
The local church is dedicated to Saint Michael.