Oleh Mykolayovych Shelayev (, born 5 November 1976) is a Ukrainian former footballer. He is among the top-3 most capped footballers of the Ukrainian Premier League. Currently he is an assistant coach of Ruslan Kostyshyn at Kolos Kovalivka.
Shelayev plays in a defensive midfield position and was the captain of his club team, FC Dnipro Dnipropetrovsk. In December 2008 the club loaned him to FC Kryvbas Kryvyi Rih. At the end of the 2008âÂÂ09 season he signed with FC Metalist Kharkiv.
On 4 January 2015 Shelayev became a sports director of the FC Dnipro Dnipropetrovsk Academy.
He was a member of the Ukraine national team until his retirement from international football in 2007. On 28 April 2004 Shelayev made his debut in home draw against Slovakia. He played in several games for Ukraine in the 2006 FIFA World Cup.