| Birth Date: | 5 June 1931 |
| Birth Place: | Best, the Netherlands |
| Death Date: | [1] |
| Sport: | swimming |
| Club: | PSV, Eindhoven |
| Show-Medals: | yes |
Cornelis Marinus "Kees" Kievit (5 June 1931 - 29 July 2020) was a Dutch swimmer who won a silver medal in the 100 m backstroke event at the 1950 European Aquatics Championships.[2] He also participated in the 1948 Summer Olympics but did not reach the finals.[3] Between 1948 and 1951 he was 4 times national champion and set 12 national records in the 100 m and 200 m backstroke events.[4]