Bykhaw or Bykhov (Belarusian: Быхаў, romanized: Bychaŭ,[a] IPA: [ˈbɨxaʊ]; Russian: Быхов; Polish: Bychów; Yiddish: ביחאָוו, romanized: Bihov; Lithuanian: Bychavas) is a town in Mogilev Region, Belarus.

[2] It is located 44 kilometres (27 mi) south of Mogilev, and serves as the administrative center of Bykhaw District.

[5] In 1619, Jan Karol Chodkiewicz erected the Catholic church of the Immaculate Conception of Blessed Virgin Mary, rebuilt by the Sapiehas in 1765.

[4] It withstood several sieges until its capture by the Russians in 1659, who then committed a massacre of its Jewish residents.

[5] During World War II, Bychaw was occupied by the German Army from 5 July 1941 until 28 June 1944 and placed under the administration of the Generalbezirk Weißruthenien of Reichskommissariat Ostland.