Clasina Cornelia "Cor" Kint (22 July 1920, Rotterdam – 7 October 2002, Coffs Harbour, Australia) was a Dutch backstroke swimmer who won the gold medal at the 1938 European Aquatics Championships.
Between 1938 and 1940 she was three times national champion in the 100 m backstroke and set five world records and four European records in the 100 m, 200 m, 100 yd and 150 yd backstroke events.
Her 150 yd and 200 m records stood for 11 year and her 100 m world record was not broken for a period of 21 years - the longest a record has ever stood in swimming.
In 1971, she was introduced to the International Swimming Hall of Fame.