| Lūšna | |
| Location: | Rokiškis District Municipality, Lithuania |
| Coordinates: | 55.9108°N 25.6022°W |
| Type: | lake |
| Pushpin Map: | Lithuania |
| Pushpin Map Alt: | Location of the lake in Lithuania. |
Lūšna is a lake in Northwest Lithuania, Rokiškis District Municipality, about south-east of Rokiškis. It is the origin of Nemunėlis River.