Dzisna (Belarusian: Дзісна, Russian: Дисна, Polish: Dzisna), is a town in the Vitsebsk Voblast of Belarus. It's located on the left bank of the Daugava River, near the confluence of Dysna. It has 2,700 inhabitants (2006 estimate). The towns population has declined over the years; early in the 20th century it had close to 10,000 inhabitants.