Kornelia ("Corrie") Winkel (born 26 February 1944) is a former backstroke swimmer from the Netherlands. She finished second in the 100 m backstroke at the 1962 European Aquatics Championships. Two years later she who won the silver medal in the 4×100 m medley relay at the 1964 Summer Olympics. At the same Olympics she finished in 14th position in the individual 100 m backstroke. Between 1962 and 1964 she set eight national and two European records in the 100 m and 200 m backstroke and 4 × 100 m medley events.