Christoph Westerthaler (11 January 1965 – 20 July 2018[7]) was an Austrian football coach and player.

Nicknamed Gischi, Westerthaler was a small-built striker who started his professional career at FC Wacker Innsbruck and stayed with them for nine years, split by a two-season period at LASK Linz.

In 1997, he moved abroad and played in Germany for the two major Frankfurt teams and VfL Osnabrück.

Westerthaler made his debut for Austria in an October 1989 friendly match against Malta but was not considered for the 1990 FIFA World Cup.

His final international game was a November 1993 World Cup qualification match against Sweden.