Tags: Swimmer.
Ku Hyo-Jin (also Gu Hyo-Jin Korean: 구 효진; born June 19 1985 in Seoul) is a retired South Korean swimmer who specialized in breaststroke events. She represented South Korea as a 15-year-old at the 2000 Summer Olympics and later helped her squad capture the bronze medal for the host nation at the 2002 Asian Games.Ku competed only in two swimming events at the 2000 Summer Olympics in Sydney. She achieved a FINA B-cut of 2:31.76 from the Dong-A Swimming Tournament in Ulsan.