Naum Ilyich Idelson (Наум Ильич Идельсон in Russian) (March 1(13), 1885, Saint Petersburg - July 14, 1951, Leningrad) was a Soviet theoretical astronomer and expert in history of physics and mathematics.
The crater Idelson on the Moon is named after him.
Kuliovsky, P.G. (1970–80). "Idelson, Naum Ilich". Dictionary of Scientific Biography. 7. New York: Charles Scribner's Sons. pp. 6–7. ISBN .