Alfred Janson (10 March 1937 – 19 May 2019) was a Norwegian pianist and composer. He was born in Oslo as the son of sculptor Gunnar Janson and pianist Margrethe Gleditsch, and was brother of journalist Mette Janson. He was first married to actress and singer Grynet Molvig and later to Berit Gustavsen. He made his piano debut in 1962. Among his early compositions is the piano piece November from 1962 and the orchestral Vuggesang from 1963. He composed the ballet Mot solen for the Bergen International Festival in 1969, and in 1991 he was the festival's principal composer.