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Surname Leyko (Leyko
, Лейко
, Леико
) , globally, is quite a rare cognomen. The last name Leyko is habitual in Belarus, where it is quite a rare surname, Ukraine, and Kazakhstan, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Eastern Europe, particularly Ukraine, Russia, and Belarus. Much less frequently, Leyko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leyko | United States, Spain, France, Mexico, Poland |
| Лейко | Ukraine, Russia, Belarus, Kazakhstan |
| Леико | Russia, Kazakhstan |