Barratt Due Institute of Music is located in Oslo, Norway. It was established in 1927 by pianist Mary Barratt Due and violinist Henrik Adam Due. It is a private foundation which receives government funding for parts of its activities. Located at Fagerborg in Oslo the institute offers music education from infant age through college levels.
The institute's motto is "From music kindergarten to concert podium" and the students are educated through college level degrees and onto the professional arena. Due to this model Barratt Due has through three generations been an important institution in Norwegian music life. Stephan Barratt-Due is the school's artistic director and also leads the school orchestra, Oslo Camerata.
Former students include Eva Knardahl, Henning Kraggerud, Frode Barth, Marte Krogh, Terje Venaas, Gro Bente Kjellevold, Christian Ihle Hadland and Alexander Rybak.