Family name Олийник (Oliynyk 
, Олийник 
, Oliinik 
) , in the entire world, is quite a rare cognomen. The last name Олийник is habitual in Latvia, where it is quite a rare surname, Cyprus, and Ukraine, where it is a rare surname. Not in comparison with a country's population, it is commonest in Russia, Ukraine, and the United States. Much less frequently, Олийник is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oliynyk | Italy, Spain, United States, Afghanistan, Ukraine |
| Олийник | Kazakhstan, Russia, Ukraine |
| Oliinik | Russia, Georgia, United States, Canada, Ukraine |
| Oliynik | Italy, United States, Latvia, Poland, Ukraine |
| олийник митрофан гервасеевич UA (b. 1906) |
|
|
| олийник василий йонович UA (b. 1926) |
|
|
| олийник владимир юрьевич Ukrainian military personnel, UA (b. 1985) |
|
|
| олийник, андрей Lithuanian canoeist, LT (b. 1987) |
|
|
| олийник александра степановна RU |
|
|
| олийник иван анатольевич Ukrainian military personnel (1993-2014), UA (b. 1993) |
|
Яна, Виктор, Лариса, Оксана, Сергей, Степан, Михайло, Алексей, Богдан, Николай, Ярослав, Катерина, Владимир, Светлана, Александр, Анастасия, Володимир, Виталий, Андрей, Михаил, Тарас, Анна, Петр, Нина, Віра, Иван, Іван, Мария, Марія, Артем, Ганна, Павло, Петро, Любов, Олена, Ольга, Ирина, Елена, Парасковія, and Александра