Wikipedia
Tsna
Tsna or TSNA may refer to:
- Tsna River (Moksha basin), a river in Tambov Oblast and Ryazan Oblast, tributary of Moksha River (Oka River basin)
- Tsna River (Tver Oblast), a river in Tver Oblast, Msta River basin
- Tsna River (Pripyat) a tributary of the Pripyat
- Tsna River (Oka basin), a river in Moscow Oblast, tributary of Oka River
- Tobacco-specific nitrosamines