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- Illich-Svitych, Vladislav Markovich (Ukraine/Russia, 1934–1966), comparative linguistics, Nostratic languages
- Ivanov, Aleksei Ivanovich (Russia, 1878–1937), Chinese language, Tangut language
- Ivanov, Vyacheslav Vsevolodovich (Russia, 1929–), Indo-European studies
- Ivić, Pavle (Serbia, 1924–1999), South Slavic languages, phonology, Serbocroatian language
Read more about this topic: List Of Linguists