| Yelena Kruglova | |
| Fullname: | Yelena Kruglova |
| Nationality: | Soviet |
| Strokes: | Backstroke |
| Birth Date: | 22 March 1962 |
| Birth Place: | Ivanovo, USSR |
Yelena Kruglova (born March 22, 1962) is a former Soviet swimmer. She was a member of the team that won the 1980 Olympic bronze medal in the 4 × 100 m medley relay and bronze medal in the 4 × 100 m medley relay at World Championships in West Berlin, 1978.
In 1982 she married Olympic Champion Oleksandr Sydorenko.
She was awarded the Medal "For Distinguished Labour" (USSR).