Eliasberg is a Jewish and Yiddish surname. It may refer to:
Karl Eliasberg (1907–1978), Belarusian-Russian conductor and violinist Judah Bezalel Eliasberg (1800–1847), Russian Hebrew writer and translator Louis E. Eliasberg (1896–1976), American financier and numismatist Jan Eliasberg (born 1954), American film, theatre, and television director, writer, and producer