Karl Ilitch Eliasberg (Belarusian: Карл Ілліч Эліасберг; Карл Ильич Элиасберг) (10 June 1907 in Minsk – 12 February 1978 in Leningrad) was a Soviet conductor. Eliasberg graduated from the Leningrad Conservatory as a violinist in 1929, and was conductor of the Leningrad Theatre of Musical Comedy from 1929 to 1931 before joining Leningrad Radio as conductor.