Oleksii Oliinyk (; born 17 March 1994) is a Ukrainian former competitive ice dancer. With Valeria Haistruk, he won the 2016 Ukrainian national title. They placed 14th at the 2015 World Junior Championships in Tallinn, Estonia, and 26th at the 2016 European Championships in Bratislava, Slovakia. They were coached by Maria Tumanovska.