Pastavy (Belarusian: Паставы; Russian: Поставы, romanized: Postavy; Lithuanian: Pastovys; Polish: Postawy) is a town in Vitebsk Region, Belarus.

Postavy Air Base is located 5 km west of Pastavy.

Pastavy has a station on the railway line between Vitebsk and Vilnius, Lithuania.

In 1793, Pastavy was acquired by the Russian Empire as a result of the Second Partition of Poland.

[3] In September 1939, the town was occupied by the Red Army and, on 14 November 1939, incorporated into the Byelorussian SSR.