(b. 21 June 1988) 이하진 (李夏辰) Korean female professional 4 dan and from 2015-2016 secretary general of the International Go Federation.
In 2008, Lee Hajin opened up an English language blog (dead link) about professional Baduk in Korea. Once worked as a teacher on http://insei-league.com/. She has visited various go events in Europe and American such as the EGC 2010, EGC 2013, and London Open 2014.
A database of all her Youtube games is maintained by Ger de Groot at hajin.nl.
- 2005 Shodan
- 2005 2 dan (December)
- 2006 3 dan
- 2016 4 dan
Lee Hajin retired from her professional career by end of August 2016 and moved to Switzerland for studying at the University of Geneva. The reason she gave in her video is: "I just want to enjoy playing Go without any expectations or fancy title."