The Rt Rev. Avgustyn Ivanovych Monsignor Voloshyn (Ukrainian: Авґустин Волошин, Августин Волошин, Czech: Augustin Monsignore Vološin, 17 March 1874 – 19 July 1945), also known as Augustin Voloshyn, was a Carpatho-Ukrainian politician, teacher, essayist, and Greek Catholic priest of the Eparchy of Mukachevo in Czechoslovakia. He was president of independent Carpatho-Ukraine (15–18 March 1939) during its existence.