Last name Oleksiy (Олексій 
, אלכסיי 
, Oleksiy 
) , across the world, is quite a rare surname. The family name Oleksiy is habitual in Ukraine, where it is quite a rare surname, Cyprus, and Belarus, where it is a rare surname. Measured by absolute frequency, the name is most common in Ukraine, China, and Russia. Much more frequently, Oleksiy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Олексій | Poland, Ukraine, United States, Russia |
| אלכסיי | Israel |
| Oleksiy | China, Romania, Spain, United States, Ukraine |
| Олексий | Ukraine, Belarus, Russia |
Aleix, Alejo, Aleksei, Aleksej, Aleksejs, Aleksey, Alekseï, Aleksi, Aleksiej, Aleksij, Aleksy, Alekszej, Alekséi, Alessio, Alexei, Alexej, Alexey, Alexeï, Alexis, Alexius, Alexéi, Oleksa, Oleksi, Oleksii, Oleksij, Olekszij, Olexa, Olexii, Olexij, Olexiy, Αλέξης, Алейс, Алексе'Й, Алексей, Алексейс, Алекси, Алексий, Алексис, Алексы, Алексіс, Алесио, Алессио, Алехо, Алеш, Аляксей, Алёша, Алёшка, Лёха, Лёша, Олекса, Олексиы, אלכסיס, ألكسيس, أليكسي, اليكسي, ალექსი, アレクシ, アレクシス, アレクシー, and アレクセイ
Zhuk, Karpenko, Khomenko, Kryachok, Pavlenko, Popovych, Romanyuk, Litvinov, Vasylyev, Zakharov, Meleshchuk, Berezhnyy, Kovalenko, Kovalchuk, Levchenko, Tkachenko, Yurchenko, Shevchenko, Korniychuk, Kravchenko, Polishchuk, Duplinskyy, Martynov, Oliynyk, Novikov, Nikitin, Boyko, Bykov, Kotov, Koval, Popov, Titov, Nosov, Malyar, Melnyk, Shvets, Nesterenko, Babich, Volkov, Ivanov, Marygin, Movchan, Sokolov, Babanin, Klymenko, Rudenko, Demidov, Garanin, Buduykevych, and Tereshchenko