Armin Suppan (born 16 October 1959) is an Austrian brass musician and composer.
Born in Graz, son of the musicologist Wolfgang Suppan, Suppan studied music at the University of Music and Performing Arts Graz as well as at the Hochschule für Musik Detmold. In 1984, he received his diploma in French horn training with Michael Hoeltzel. In 1987, he completed additional studies in conducting and chamber music with Walter Hügler in Biel and Milan Turkoviàin Vienna. Initially active as a conductor of wind orchestras in the South Baden area of Kappelrodeck, Ortenberg, he began his military bandmaster training in Austria in 1994. In 1999, Suppan passed the military bandmaster examination. In the same year he joined the teaching staff of the , where he heads the wind department and the wind music information centre. Suppan has gained international recognition as wind music expert and instrumentator for Symphonic Wind Orchestra.