Sven Klimbacher (born 12 September 1981) is an Austrian professional ice hockey defenseman who is currently an unrestricted free agent who most recently played for the Graz 99ers of the Austrian Hockey League. After two seasons with the Vienna Capitals, Klimbacher was re-signed to a two-year contract extension on 4 May 2014. Klimbacher competed in the 2013 IIHF World Championship as a member of the Austria men's national ice hockey team.