Ivan Grigorievich Drachenko was a Soviet Il-2 pilot and the only aviator awarded both the title Hero of the Soviet Union and been a full bearer of the Order of Glory.

Ivan Georgiyevich Dzhukha is a Russian geologist and writer of Greek descent, specialised in history of persecuted Greeks in the Soviet Union during Stalins' period.

Ivan Elagin was a Russian émigré poet born in Vladivostok. He was the husband of poet Olga Anstei, best remembered for writing about the Holocaust.

Ivan Ivanovich Fedyuninsky was a Soviet military leader and Hero of the Soviet Union (1939).

Ivan Jakovlevich Fojnickij (1847–1913) was a leading theorist of criminal law in the late Russian Empire.

Ivan Franjo Jukić was a Bosnian writer and Franciscan friar from Bosnia and Herzegovina, whose life and cultural and political legacy have left an indelible mark on the cultural history of the country, where he is remembered as one of the founders of Bosnian modernism. He mostly wrote under the pseudonym Slavoljub Bošnjak.

Ivan Yakovych Franko was a Ukrainian poet, writer, social and literary critic, journalist, interpreter, economist, political activist, doctor of philosophy, ethnographer, and the author of the first detective novels and modern poetry in the Ukrainian language.

Ivan Fyodorov or Ivan Fеdorov sometimes transliterated as Fiodorov, was one of the fathers of Eastern Slavonic printing, he was the first known Russian printer in Moscow and the Polish–Lithuanian Commonwealth, he was also a skilled cannon maker and the inventor of a multibarreled mortar.

Ivan Grigoryevich Istomin was a Nenets and Komi writer.

Prince Ivan Sergeyevich Gagarin SJ was a Russian Jesuit, known also as Jean-Xavier after his conversion from Orthodoxy to Roman Catholicism. He was of the Gagarin family, which traces its origin to the medieval rulers of Starodub-on-the-Klyazma. He was the founding editor of Études.