Hong Hyun-hui (born 27 December 1991) is a South Korean former tennis player.
Hong has a career-high singles ranking of world No. 440, reached on 22 December 2014. She also has a career-high WTA doubles ranking of 420, achieved on 21 September 2015.
Hong received a wildcard into the singles main draw of the 2012 Korea Open where she lost to Galina Voskoboeva in the first round.
Playing for South Korea in Fed Cup, Hong has a win-loss record of 0âÂÂ3.