Günther Hummelt (21 July 1931 – 3 July 2010) was an Austrian curler and curling coach who contributed greatly to the development of the sport of curling.
Most notably, he served as the first president of the World Curling Federation following its succession of the International Curling Federation, which Hummelt was also a part of, and served as president of the Austrian Curling Association from 1980 to 2010.In 2012, Hummelt was posthumously inducted into the WCF Hall of Fame.