Ernst Ottensamer (5 October 1955 – 22 July 2017) was an Austrian classical clarinetist.
He continued his studies in Vienna at the University of Music and Performing Arts Vienna (Universität für Musik und Darstellende Kunst in Wien), where he completed his studies in 1979.
He joined the faculty of the Universität für Musik und Darstellende Kunst in Wien in 1986, and subsequently attained the title of Universitätsprofessor (University Professor) in 2000.
[4] His elder son Daniel Ottensamer (born 26 July 1986[5]) became co-principal clarinetist with the Vienna Philharmonic alongside his father, and his younger son Andreas Ottensamer (born in 1989) is principal clarinetist of the Berlin Philharmonic.
Ivan Eröd composed a triple clarinet concerto for The Clarinotts, who premiered the work with the Vienna Philharmonic in January 2016.