Date of Birth: 
About Ha Eun-ju
- Ha Eun-ju (Korean: ? ??; born August 12, 1986) is a South Korean swimmer, who specialized in freestyle events.
- She won a bronze medal, as a member of the South Korean team, in the 4×200 m freestyle relay (8:19.62), when her nation hosted the 2002 Asian Games in Busan.Ha qualified for the women's 400 m freestyle, as a 17-year-old, at the 2004 Summer Olympics in Athens.
- She eclipsed a FINA B-standard entry time of 4:20.56 from the Dong-A Swimming Tournament in Seoul.
- She challenged seven other swimmers on the second heat, including Jamaica's Janelle Atkinson, who finished fourth in Sydney (2000).
- She raced to seventh place by 0.07 of a second behind New Zealand's Rebecca Linton in 4:21.65.
- Ha failed to reach the top 8 final, as she placed thirty-second overall in the preliminaries.
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