Klaus-Peter Thaler (born 14 May 1949 in Eckmannshausen, North Rhine-Westphalia) was a professional cyclist between 1976 and 1988, successful in road-racing and cyclo-cross. He was world cyclo-cross champion twice as amateur and twice as professional and German champion eight times.
Thaler studied at the University of Siegen. In 1976, Thaler entered the Olympic Games, in the road race. He finished in ninth place. He turned professional one year later.
In the 1978 Tour de France, Thaler lead the race for two days, after his team won the team time trial.
Thaler organises the Tour of Hope bicycle charity ride, and was given the Pierre de Coubertin medal for that in 2005.
- World Champion Cyclo-cross: 1985,1987
- German champion cyclo-cross: 1976,1977,1978,1979,1982,1986,1987,1988
- German cycling road champion for amateurs: 1976
- Vuelta a Andalucía 1977: Stage 1B
- Critérium du Dauphiné Libéré 1979: Stage 1
- Paris–Nice 1980: Stage 5
Tour de France results
- 1977 Tour de France: did not finish, won stage 9
- 1978 Tour de France: 35th place, won stage 3, wore the yellow jersey for 2 days
- 1979 Tour de France: 37th place
- 1980 Tour de France: 49th place
- 1981 Tour de France: 90th place