Lee Ji-eun (Korean: ???; born 18 June 1989) is a South Korean swimmer, who specialized in middle-distance freestyle events.
She represented her country South Korea at the 2008 Summer Olympics, and has won two bronze medals in both the 400 m freestyle and the 4×200 m freestyle relay at the 2006 Asian Games in Doha, Qatar.Lee competed for the South Korean swimming team in the women's 400 m freestyle at the 2008 Summer Olympics in Beijing.
She finished with the fastest final time and a new personal best in 4:19.42 at the Jeju Halla Cup five months earlier in Jeju City, sneaking under the FINA B-standard (4:20.05) by more than half a second.
Lee opened up the second heat with an early lead, but faded down the remainder of the race to pick up the fifth spot in 4:21.53.
Lee missed a chance to enter the top eight final, as she placed thirty-seventh overall in the prelims.