| Hong Hyun-hui | |
| Birth Date: | 27 December 1991 |
| Plays: | Right (two-handed backhand) |
| Careerprizemoney: | $28,990 |
| Singlesrecord: | 78–67 |
| Singlestitles: | 1 ITF |
| Highestsinglesranking: | No. 440 (22 December 2014) |
| Doublesrecord: | 53–61 |
| Doublestitles: | 3 ITF |
| Highestdoublesranking: | No. 420 (21 September 2015) |
| Team: | yes |
| Fedcupresult: | 0–3 |
| Hangul: | 홍현휘 |
| Rr: | Hong Hyeonhwi |
| Mr: | Hong Hyŏnhwi |
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 0–3.
| Legend | |
|---|---|
| $25,000 tournaments | |
| $10,000 tournaments |
| Result | No. | Date | Location | Surface | Opponent | Score | |
|---|---|---|---|---|---|---|---|
| Loss | 1. | 26 December 2010 | Gimcheon, South Korea | Hard |  Kim Kun-hee | 6–4, 1–6, 3–6 | |
| Loss | 2. | 2 September 2012 | Yeongwol, South Korea | Hard | 4–6, 6–4, 3–6 | ||
| Win | 3. | 1 June 2014 | Changwon, South Korea | Hard |  Junri Namigata | 2–6, 6–4, 6–3 |
| Outcome | No. | Date | Location | Surface | Partner | Opponents | Score | |
|---|---|---|---|---|---|---|---|---|
| Win | 1. | 26 December 2010 | Gimcheon, South Korea | Hard | Kim Kun-hee | Kim Ji-young Kim Jung-eun | 6–4, 7–5 | |
| Win | 2. | 11 April 2011 | Incheon, South Korea | Hard | Kao Shao-yuan  Varatchaya Wongteanchai | 6–3, 7–6(3) | ||
| Win | 3. | 19 October 2014 | Goyang, South Korea | Hard | Lee So-ra | Han Sung-hee Lee Hye-min | 6–4, 6–2 |