| Official Name: | Mali Trn |
| 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: | Krško |
| Area Total Km2: | 1.23 |
| Population As Of: | 2002 |
| Population Total: | 35 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 45.9626°N 15.4049°W |
| Elevation M: | 442.8 |
| Postal Code: | 8270 |
| Footnotes: | [1] |
Mali Trn (in Slovenian pronounced as /ˈmaːli ˈtəɾn/; German: Kleindorn[2]) is a small village in the Municipality of Krško in eastern Slovenia. The area is part of the traditional region of Lower Carniola. It is now included with the rest of the municipality in the Lower Sava Statistical Region.[3]
The parish church of the Parish of Sveti Duh–Veliki. Trn is the local church west of the settlement core. It is dedicated to the Holy Spirit and belongs to the Roman Catholic Diocese of Novo Mesto. It was built in 1885 in a Neo-Gothic style.[4]