Ivan Ivanovich () is an East Slavic personal name, a combination of a given name and a patronymic. Notable people commonly referred to as "Ivan Ivanovich" include:
People Ivan II of Moscow (1326–1359), Grand Prince of Moscow and Grand Prince of Vladimir from 1353 Ivan the Young (1458–1490), eldest son and heir of Ivan III of Russia Ivan V of Ryazan (1496–1533 or 1534), the last nominally independent ruler of Ryazan Tsarevich Ivan Ivanovich of Russia (1554–1581), second son and heir apparent of Ivan IV (the Terrible) Ivan Ivanovich Isaev, Russian general
Other uses
Ivan Ivanovich (Vostok programme), a mannequin used in testing the Russian Vostok spacecraft in preparation for its crewed missions SuitSat, a retired Russian Orlan spacesuit with a radio transmitter mounted on its helmet deployed as an OSCAR satellite in 2006 Ivan Ivanovitch, an English-language idiom of the 19th century for a "lazy, good-hearted typical Russian"
See also Ivan (disambiguation) Ivanović