Lasosna
| Lasosna Łosośna | |
|---|---|
| Location | |
| Country | Poland, Belarus |
| Physical characteristics | |
| Mouth | |
• location | Neman |
• coordinates | 53°40′40″N 23°46′41″E / 53.6777°N 23.7781°E |
| Basin features | |
| Progression | Neman→ Baltic Sea |
The Lasosna, Lasasyanka (Belarusian: Ласосна, Ласасянка), Polish: Łosośna is a river in Poland (Sokółka County) and Belarus (Hrodna and Hrodna district). Of the river's 46 km length, 24 km is in Poland and the rest in Belarus. It is a left-bank tributary of the Neman.