Klaus-Jürgen Grünke

Klaus-Jürgen Grünke (born 30 March 1951) is a retired track cyclist from East Germany, who represented his native country at the 1976 Summer Olympics in Montreal, Canada. There he won the gold medal in the men's 1,000m time trial, defeating Belgium's Michel Vaarten. A year earlier he won the world title in the same event in Rocourt.