Gustav Carl Helsted (30 January 1857 - 1 March 1924) was a Danish organist and composer. Helsted was the son of composer Carl Helsted, brother of painter Viggo Helsted, and nephew of composer Edvard Helsted. He was a student of Gottfred Matthison-Hansen. Helsted was the first organist of the Jesus Church in Copenhagen. He was paid 600 Danish crowns a year for the position. He was also the music director of the Danish Musical Society.