Oliynyk
Oliynyk, also Oliunyk, Oliynik (Ukrainian: Олійник) is a Ukrainian-language surname derived from the word Олія, "oil". The surname may refer to:
- Denys Oliynyk
- Yaroslav Oliynyk
- Yuriy Oliynyk
- Andriy Oliynyk (footballer born 1986)
- Pavlo Oliynyk
- Andriy Oliynyk
- Vyacheslav Oliynyk
- Todd Oliynyk, a 2011 recipient of the Australian Mathematical Society Medal