Oliver-Sven Buder (born 23 June 1966 in Steinheidel-Erlabrunn, Bezirk Karl-Marx-Stadt) is a German track and field athlete, who in the 1990s belonged to the best shot-putters in the world. The high point of his career came at the World Championships in 1997 and 1999 where he won the silver medal. Until 1990 he represented East Germany.