Ivan Vasilyevich Travkin was a Soviet submarine commander, Captain 1st Rank, Hero of the Soviet Union.

Ivan Moiseevich Tretyak was a Soviet general who served in various positions in the Soviet Armed Forces including as commander of the Soviet Air Defence Forces.

Ivan Vladimirovich Tsvetaev was a Russian art historian, archaeologist and Classical philologist.

Ivan Sergeyevich Turgenev was a Russian novelist, short story writer, poet, playwright, translator and popularizer of Russian literature in the West.

Ivan Vladimirovich Tyulenev was a Soviet military commander, one of the first to be promoted to the rank of General of the Army in 1940.

Ivan Vahylevych, Jan Wagilewicz, was Ukrainian Romantic poet, philologist, and ethnographer of the Galician revival in Western Ukraine.

Ivan Oleksandrovych Vakarchuk was a Soviet-Ukrainian physicist, politician and social activist. From 1990 to 2007 and again between 2010 and 2013 he was rector of the Lviv University. In 2007–2010 he was Minister of Education and Science of Ukraine. Hero of Ukraine, he was father of the leader of the rock band Okean Elzy Svyatoslav Vakarchuk.

Ivan Dmitrievich Vasilenko, was a Soviet writer of children's books.

Ivan Minchov Vazov was a Bulgarian poet, novelist and playwright, often referred to as "the Patriarch of Bulgarian literature". He was born in Sopot, a town in the Rose Valley of Bulgaria. The works of Ivan Vazov reveal two historical epochs - the Bulgarian Renaissance and the Post-Liberation epoch. Ivan Vazov holds the highest honorary title of the Bulgarian Academy of Sciences - Academician. He acted as Education and People Enlightenment Minister from September 7, 1897, until January 30, 1899, representing the People's Party.

Ivan Vladislavić is a South African author, editor and professor. Vladislavić's style has been described as postmodern, innovative, humorous and unpredictable. Despite receiving critical acclaim, his work is not well known outside his home country.