Gerhard Haidacher (born 29 April 1963) is an Austrian bobsledder who competed in the late 1980s and early 1990s.

He won a gold medal in the four-man event with teammates Ingo Appelt, Harald Winkler and Thomas Schroll at the 1992 Winter Olympics in Albertville.

Haidacher also earned a silver medal in the four-man event at the 1993 FIBT World Championships in Igls.

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