Gösta Theselius

Gösta Theselius (June 9, 1922 – January 24, 1976) was a Swedish arranger, composer, film scorer, pianist, and saxophonist.

Theselius was born in Stockholm. His brother was musician Hans Theselius.

Theselius worked in the 1940s with a number of European big bands, including those of Thore Jederby, Hakan von Eichwald, Sam Samson, Lulle Elboj, and Thore Ehrling. He played jazz into the 1950s, both as a saxophonist and a pianist (on the latter instrument with Benny Bailey, Arne Domnerus, James Moody, and Charlie Parker), and composed copiously for film in the 1950s and 1960s.

Theselius died in Stockholm in 1976.