Terje Tønnesen (born 27 February 1955 in Oslo, Norway) is a Norwegian classical violinist.
In 1986 he married the actress Hilde Grythe (born 18 July 1955), daughter of NRK program host Odd Grythe (1918–94) and film director Kirsten Sørlie (1926–2013).
[1] After five years of study in Switzerland, in 1977 he began his positions both as artistic director of "Det Norske Kammerorkester" and as first concertmaster of the Oslo Filharmoniske Orkester.
He also moves beyond the classical repertoire, including collaborations with fellow musical omnivore Terje Rypdal, and is among the leading violinists with a central position in the Norwegian musical scene.
He has toured in Europe, USA, China, and the Soviet Union and during his career worked with such musicians as Mstislav Rostropovich, Maurice André, and James Galway.