Lee Jeong-eun (; born 20 October 1988) is a South Korean professional golfer. For scoring purposes, she is called Jeongeun Lee5 to differentiate herself from other Korean LPGA golfers with that name, including the younger Jeongeun Lee6.
Lee played on the LPGA of Korea Tour where she won five times between 2009 and 2015. Since 2017, she has played primarily on the LPGA Tour. Her best finish on the LPGA Tour is T-3 at the 2017 ShopRite LPGA Classic.
Events in bold are KLPGA majors.
Results not in chronological order.
^ The Evian Championship was added as a major in 2013.
CUT = missed the half-way cut<br> NT = no tournament<br/> "T" = tied