Alla Genrikhovna Masevich (October 9, 1918 — May 6, 2008) was a Soviet astronomer.
She graduated from Moscow State Pedagogical University.
She served as deputy chairman of the Astronomical Council of the Academy of Sciences of the USSR in 1952, and worked closely with Victor Ambartsumian.
She became a professor of space geodesy at the Moscow Institute of Geodesy and Cartography in 1972.She is known for her work in organizing groups to observe some of the first Russian satellites (1956–57).
Masevitch was the Russian delegate to the International Astronautical Federation Congress following the 1957 Sputnik launch and presented a paper on optical tracking of satellites.