| Official Name: | Otavnik |
| 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: | Lower Carniola |
| Subdivision Type2: | Statistical region |
| Subdivision Name2: | Lower Sava |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Sevnica |
| Area Total Km2: | 1.57 |
| Population As Of: | 2002 |
| Population Total: | 25 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 45.9455°N 15.2403°W |
| Elevation M: | 434.7 |
| Footnotes: | [1] |
Otavnik (pronounced as /sl/) is a settlement southeast of Tržišče in the Municipality of Sevnica in east-central Slovenia. The area is part of the historical region of Lower Carniola. The municipality is included in the Lower Sava Statistical Region.[2]