Kim So-Jung (born 3 March 1986) is a South Korean former tennis player.

Her highest WTA singles ranking is 204, which she achieved on 20 September 2010.

Her career-high in doubles is 233, which she reached on July 17, 2006.

She won silver for the mixed-doubles teams event, defeating the Taiwanese team at the 2009 Universiade Games.

[1] She has also played at the Korea Open.