Klaus Ambrosch (born 23 May 1973 in Knittelfeld) is an Austrian decathlete. His personal best result was 8122 points, achieved in July 2001 at the Hypo-Meeting in Götzis. His life partner is the German long jumper Bianca Kappler.

Representing the Arizona Wildcats track and field team, Ambrosch won the 1998 NCAA Division I Outdoor Track and Field Championships in the decathlon.

Achievements

YearCompetitionVenuePositionEvent
1996Hypo-MeetingGötzis, Austria24thDecathlon
1997Hypo-MeetingGötzis, Austria19thDecathlon
1999Hypo-MeetingGötzis, AustriaDNFDecathlon
2000Hypo-MeetingGötzis, Austria11thDecathlon
Olympic GamesSydney, Australia18thDecathlon
2001Hypo-MeetingGötzis, Austria6thDecathlon
World ChampionshipsEdmonton, CanadaDNFDecathlon
UniversiadeBeijing, China7thDecathlon
2002European Indoor ChampionshipsVienna, Austria12thHeptathlon
Hypo-MeetingGötzis, Austria12thDecathlon
European ChampionshipsMunich, Germany12thDecathlon
2003Hypo-MeetingGötzis, Austria5thDecathlon