| Age | 33 |
| Birthday | 1 July, 1991 |
| Birthplace | Seoul, South Korea |
| Height | 5' 8" (173 cm) |
| Zodiac Sign | Cancer |
| Nationality | South Korean |
| Occupation | Swimming |
Back Su-Yeon (also Baek Su-Yeon, Korean: 백 수연; born July 1, 1991 in Seoul) is a South Korean swimmer, who specialized in breaststroke events. She edged out her teammate Jung Seul-Ki to take a bronze medal by 0.31 of a second in the 200 m breaststroke at the 2010 Asian Games in Guangzhou, China, with a time of 1:10.22. Back is also a member of Kang-won-do Cheong swimming club in Seoul.
