Ignaty Yulianovich Krachkovsky (Russian: Игна́тий Юлиа́нович Крачко́вский (4 (16) March 1883, Vilnius — 24 January 1951, Leningrad) was a Russian and Soviet Arabist, academician of the Russian Academy of Science (since 1921; since 1925 Academy of Science of the USSR).