Cognomen Ionov (Ионов 
, Ionov 
, Йонов ) , around the globe, is a common surname. The last name Ionov is characteristic of Eastern Europe, particularly Russia, where it is quite a common surname, Bulgaria, and Belarus, where it is quite a rare surname. In absolute terms, this name is the most popular in Russia, Bulgaria, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Ионов | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Ionov | Russia, Belarus, Moldova, Bulgaria, United States |
| Йонов | Russia, Ukraine, Bulgaria |
| איונוב | Israel |
Ionow, Jonov, Yosyfovych, and Іонов
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mikhail ionov (b. 1846) |
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| anatoly ionov Romanov claimant (b. 1936) |
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| dmitri ionov researcher (b. 1953) |
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| leonid ionov physical chemist, RU (b. 1977) |
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| viktor ionov researcher ORCID id 0000-0002-1271-4022 |
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| ilya d ionov researcher (ORCID 0000-0002-1556-6707) |
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| maxim ionov researcher, natural language processing, linked data |
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| maksim ionov researcher |
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| yurij ionov researcher (ORCID 0000-0002-7174-386X) |
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| d. ionov researcher ORCID ID = 0000-0002-4844-5397 |
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| mikhail v ionov researcher |
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| ionov, alexander ivanovich |
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| alexander viktorovich ionov (b. 1989) |
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Mr, Misha, Sofia, Anton, Artem, Artur, Cyril, Boris, Kiril, Kroum, Pasha, Pavel, Peter, Petia, Roman, Denis, Danil, Julia, Timur, Elena, Vadim, Vadym, Maxim, Fedor, Maria, Yura, Max, Ion, Mark, Mike, Serg, Stas, Alex, Adir, Petr, Dima, Gera, Emil, Egor, Vlad, Ilia, Ilya, Ilja, Ivan, Igor, Oleg, Yuri, Yury, and Irina