Serhii Oleksiyovych Buhoslavskyi[1] (Ukrainian: Сергій Олексійович Бугославський; Russian: Сергей Алексеевич Бугославский, romanized: Sergei Alekseevich Bugoslavskii[1][2] or Bugoslavskij[3]; Chernihiv, 2 July 1888 – Moscow, 14 January 1946) was a Russian Imperial and Soviet literary historian, musicologist and composer from present-day Ukraine. Buhoslavskyi is known for his work on textual criticism of the Primary Chronicle.[1][2][3]