Helge Nissen (5 September 1871 in Rydhave ved Holstebro – 5 October 1926 in Copenhagen) was a Danish operatic bass-baritone, conductor, voice teacher, and film actor who was associated with the Royal Danish Theatre from 1897 until his death in 1926. He notably created roles in the world premieres of two operas by composer Carl Nielsen: Abner in Saul og David (1902) and Henrik in Maskarade (1906). His voice is preserved on a total of 70 recordings made with the Pathé, HMV and Deutsche Grammophon record companies from 1908–1914.