Around the world, Oleh (Олег 
, Oleh 
, אולג 
) is a prevalent male given name. The first name Oleh is habitual in Ukraine, where it is a prevalent boy's name, Russia, where it is a widespread male name, and Kazakhstan, where it is a common male name (explore the name in all countries). Very seldom, Oleh is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Олег | Kazakhstan, Ukraine, Belarus, Russia, Azerbaijan |
| Oleh | Ukraine, Nigeria, Spain, Indonesia, Russia |
| אולג | Israel |
| Олех | Kazakhstan, Ukraine, Russia, Belarus |
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oleh laievskyi association football player (1921-2013) (b. 1921) |
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oleh krysa Ukrainian musician, UA (b. 1942) |
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oleh mahlay American musician, US (b. 1969) |
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oleh m. antonyshyn Canadian surgeon, CA |
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oleh ilika UA (b. 1971) |
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| oleh hasjuk CZ (b. 1922) |
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oleh naumenko Ukrainian wheelchair fencer (b. 1986) |
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| oleh pavlov Czech pornographic actor (b. 1940) |
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| oleh chornohuz (b. 1936) |
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| oleh slobodenko Ukrainian musician (b. 1949) |
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oleh-roman pylypiv sportsperson, UA |
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| oleh fedorovyč holʹko UA (b. 1943) |
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| oleh kandyba CZ (b. 1944) |
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| oleh stepan ilnytzkyj DE (b. 1949) |
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| oleh oleksandrovyč klymenko (b. 1951) |
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Kalu, Klymenko, Lahutin, Tkachuk, Novosad, Shevchuk, Chukwuka, Karpenko, Korostil, Kravchuk, Petryshyn, Tymchenko, Voloshyn, Melnychuk, Sharanevych, Solehudin, Kovalchuk, Romanyshyn, Tkachenko, Vasylenko, Yakovenko, Shevchenko, Kravets, Bondarenko, Kostiuk, Savchuk, Vovk, Moroz, Soleh, Boyko, Boiko, Kozak, Koval, Kulyk, Popov, Lysak, Fedak, Mohozin, Melnyk, Bondar, Bodnar, Luchko, Hrynyuk, Voznyuk, Ivanov, Marchuk, Mamchur, Badaliy, and Polishchuk