| Birth Place: | Moscow, Russia |
| Sport: | Swimming--> |
| Club: | Spartak |
| Show-Medals: | yes |
Aleksandr Pletnev (Russian: Александр Плетнев; born 1948) is a retired Russian swimmer who won a gold medal in the 4×200 m freestyle relay at the 1966 European Aquatics Championships, setting a new European record; individually, he won a bronze medal in the 1500 m freestyle event. He also won three national titles in the 400 m (1966) and 1500 m (1965, 1966) freestyle.