| Birth Date: | 21 February 1937 |
| Birth Place: | Kobeliaky, Poltava Oblast, Ukrainian SSR, Soviet Union |
| Height: | 1.8m (05.9feet) |
| Weight: | 71kg (157lb) |
| Sport: | Swimming |
| Club: | Dynamo Lviv |
| Show-Medals: | yes |
Georgy Yakovlevich Prokopenko (ru|Георгий Яковлевич Прокопенко, uk|Георгій Якович Прокопенко; 21 February 1937 – 5 May 2021) was a Soviet swimmer who competed at the 1960 and 1964 Summer Olympics. In 1964 he won a silver medal in the 200 m breaststroke and finished fourth in the 4 × 100 m medley relay. He won three European titles in these events in 1962 and 1966, and set two world records in the 100 m breaststroke in 1964. Between 1962 and 1964 he also set eight European records in the 4 × 100 m medley relay and in the 100 m and 200 m breaststroke disciplines.
Prokopenko was born on 21 February 1937 in Kobeliaky, Poltava Oblast, then part of the Ukrainian Soviet Socialist Republic, in the Soviet Union.[1] He died on 5 May 2021 at the age of 84.[2] [3]