Oleiniks
Oleiniks is a surname of Eastern European origin, primarily found in Russia and Ukraine. It is believed to be derived from the given name "Oleh," a Slavic name with disputed etymology, possibly meaning "holy" or "blessed." The surname likely arose as a patronymic, indicating descent from someone named Oleh.
Variations of the surname can be found across different regions, reflecting linguistic shifts and historical migrations.
The distribution of the Oleiniks surname is not geographically concentrated in a single area, but rather appears