Ivan Meshcherskiy Иван Мещерский
Ivan Vsevolodovich Meshchersky
Born	10 August [O.S. 29 July] 1859 Arkhangelsk, Arkhangelsk Governorate, Russian Empire
Died	7 January 1935(1935-01-07) (aged 75) Leningrad, Russian SFSR, Soviet Union
Nationality	Russian, Soviet
Alma mater	Saint Petersburg Imperial University
Scientific career
Doctoral advisor	Pafnuty Chebyshev
Doctoral students	Aleksey Krylov, Gury Kolosov, Alexander Friedmann

Ivan Vsevolodovich Meshchersky (Russian: Ива́н Все́володович Меще́рский, 1859–1935) was a Russian and Soviet mathematician who gained fame for his work on mechanics, notably the motion of bodies of variable mass.

Ivan Vsevolodovich Meshcherskiy was born in Arkhangelsk. After graduation from Arkhangelsk Gymnasium, Meshcherskiy studied mathematics at the Saint Petersburg Imperial University from 1878 to 1882.

• O'Connor, John J.; Robertson, Edmund F., "Ivan Vsevolodovich Meshcherskiy", MacTutor History of Mathematics Archive, University of St Andrews