Halfdan Cleve (5 October 1879 – 6 April 1951) was a Norwegian composer, born and raised in Kongsberg. He lived some time in Germany. Some examples on his output as a composer are piano concertos, other piano works, and some chamber music. He was described as a child prodigy. He married and had four children.Throughout his early childhood he was tutored with a firm hand by his father, the organist Andreas Klewe.