Hrachia Adjarian (Armenian: Հրաչեայ Աճառեան (classical) Hračʿeay Ačaṙean; Հրաչյա Աճառյան (reformed) Hračʿya Ačaṙyan; March 8, 1876 - April 16, 1953) was an Armenian linguist, etymologist, philologist, professor, Academic of Armenian Academy of Sciences, member of French Linguistic Association, and Czechoslovakian Institute of Oriental studies. He studied at Sorbonne with Antoine Meillet and Strasbourg Universities. Acharian worked as a teacher in Ejmiatsin Gevorkian seminary, Shusha and Tehran. A survivor of the Armenian Genocide, he came to Yerevan in 1923, where he taught foreign languages, comparative grammar, and the history of the Armenian language at the Yerevan State University, where he headed a chair. He is the author of more than 200 scientific publications on Armenology, Armenian language and Oriental Languages.