Oleynik
Oleynik is a Slavic surname used in Russia, Ukraine, and Belarus. It is commonly transliterated as Oleynik, Oleinik, Olenik, or Olenyk, reflecting variations in Cyrillic-to-Latin renderings. The name is typically patronymic or possessive in origin, formed with a suffix such as -ik or -nik attached to a base personal name or nickname.
Within Slavic naming traditions, the base may derive from a given name such as Oleg or Olen,
Notable individuals with the surname include Alexey Oleynik (born 1977), a Russian mixed martial artist known
Beyond this, bearers of the name appear in various fields such as science, literature, and sports, reflecting