| Birth Date: | 1942 |
| Birth Place: | Stalingrad, Russian SFSR, Soviet Union |
| Sport: | Swimming |
| Club: | Burevestnik |
| Show-Medals: | yes |
Ivan Karetnikov (Russian: Иван Каретников; born 1942) is a retired Soviet swimmer who specialized in the 200 m breaststroke. In this event, he won a silver medal at the 1962 European Aquatics Championships and a gold medal at the 1963 Universiade, and set three European records between 1962 and 1963.