Mstislavl (Belarusian: Мсці́слаў, Mscisłaŭ, pronounced [msʲtsʲiˈsɫau̯] ; Russian: Мстиславль; IPA: [msʲtʲɪˈsɫavlʲ]) is a town in Mogilev Region, Eastern Belarus. It serves as the administrative center of Mstsislaw Raion. As of 2009, its population was 10,804.