Zastavna Raion (Ukrainian: Заставнівський район) was an administrative raion (district) in the southern part of Chernivtsi Oblast in western Ukraine, on the Romanian border.

Most of its territory lied in the historical region of Bukovina, while three localities (Balamutivka, Rzhavyntsi, and southern Onut) are located in Bessarabia.

The region had an area of 617.7 square kilometres (238.5 sq mi) and centered on the city of Zastavna.

The raion was abolished on 18 July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions of Chernivtsi Oblast to three.

)[3] At the time of disestablishment, the raion consisted of seven hromadas:[4]