Oleg Velyky (Ukrainian: ???? ???????, Oleh Welykyj) (14 October 1977 – 23 January 2010) was a Ukrainian and German handball player.
He was a World champion 2007 with the German national team (was on the team roster, but did not play because of an injury).
Velyky was born in Brovary, Ukraine.
He became a German citizen in April 2004.
He participated on the German team which finished 4th at the 2008 European Men's Handball Championship.