Woo Chul (also Woo Cheol, Korean: ? ?; born June 20, 1978 in Seoul) is a retired South Korean swimmer, who specialized in middle-distance freestyle events.
He is a two-time Olympian (1996 and 2000), and a double medalist at the Asian Games (1994 and 1998).
Woo started his competitive swimming, as a 16-year-old South Korean teenager, at the 1994 Asian Games in Hiroshima, Japan.
He helped the South Koreans earn a silver medal in the 4×200 m freestyle relay with a time of 7:33.61.
Woo's Olympic debut came at the 1996 Summer Olympics in Atlanta.
He failed to reach the top 16 final in the 400 m freestyle, finishing thirtieth in a time of 4:03.11.
He also placed fifteenth as a member of the South Korean team in the 4×200 m freestyle relay (7:45.98).At the 1998 Asian Games in Bangkok, Thailand, Woo added a bronze medal to his collection for the South Korean swimming team in the 4×200 m freestyle relay.
He also attempted for his first individual medal in the 400 m freestyle (4:00.66), but missed the podium by 0.22 seconds behind Hong Kong's Mark Kwok.Woo competed only in two swimming events at the 2000 Summer Olympics in Sydney.
He posted FINA B-standards of 1:53.44 (200 m freestyle) and 3:59.35 (400 m freestyle) from the Dong-A Swimming Tournament in Ulsan.
On the first day of the Games, Woo placed twenty-seventh in the 400 m freestyle.
He held off his rival Kwok by almost half the body length to lead the second heat in a lifetime best of 3:58.31.
The following day, in the 200 m freestyle, Woo placed twenty-ninth on the morning prelims.
Swimming in heat three, he came up short in second place by 0.27 of a second behind 17-year-old Damian Alleyne of Barbados, breaking a South Korean record of 1:53.02.