| Official Name: | Trstenik |
| 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: | Southeast Slovenia |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Šentrupert |
| Area Total Km2: | 1.41 |
| Population As Of: | 2002 |
| Population Total: | 104 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 45.9612°N 15.0694°W |
| Elevation M: | 275.9 |
| Footnotes: | [1] |
Trstenik (in Slovenian pronounced as /təɾstɛˈniːk/) is a settlement in the Municipality of Šentrupert in southeastern Slovenia. It lies just northeast of Mirna in the historical region of Lower Carniola. The municipality is now included in the Southeast Slovenia Statistical Region.[2] It includes the hamlets of Butara, Gorenji Konec (Slovenian: Gorenji konec), Veliki Konec (Slovenian: Veliki konec), Kurja Dolina (Slovenian: Kurja dolina), Dolenji Konec (Slovenian: Doleji konec), Kot (German: Winkel[3]), and Sotlo.[4]