Karl Ilitch Eliasberg (Belarusian: ???? ????? ?????????; Russian: ???? ????? ?????????) (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.