Clemens Unterreiner, born on March 18, 1972 in Vienna, Austria, is a baritone opera singer. He began his musical journey as a member of the choir at the Vienna Academic Gymnasium and later pursued private vocal training. Unterreiner made his operatic debut in 2002 as part of the Linzer Landestheater’s production of The Voyage by Philip Glass. Notable roles include Bartolo in The Barber of Seville, Don Giovanni, Guglielmo in Così fan tutte, Papageno in The Magic Flute, and Konsul Sharpless in Madama Butterfly. He has performed at prestigious venues such as the Vienna Musikverein and the Vienna Konzerthaus. Unterreiner became a member of the Vienna State Opera in 2005. In 2017, he released his album Weihnachten mit Clemens Unterreiner (Christmas with Clemens Unterreiner).
