Gilbert Glaus (born 3 December 1955) is a retired Swiss professional road bicycle racer. In 1978, Glaus became amateur world champion, and he became a professional cyclist in 1982. In 1983, Glaus won a stage in the 1983 Tour de France, but in the 1984 Tour de France he was the Lanterne rouge (the last finishing cyclist). He was the Swiss National Road Race champion in 1982. He also competed in the individual road race and team time trial events at the 1980 Summer Olympics.