Karen Yuzbashyan (Armenian: Կարեն Նիկիտի Յուզբաշյան, Armenian pronunciation: [kaɾen juzbaʃˈjan]; Russian: Карен Никитич Юзбашян; January 6, 1927 – March 5, 2009) was an Armenian historian and specialist in medieval Byzantine and medieval Armenian studies. Yuzbashyan was the author of over 200 books and articles (published in Armenian, Russian, and other languages) on the political, legal, cultural aspects and relations of Byzantium and Armenia, as well as a researcher on the development of Armenian studies.