Ki Hui-hyeon
- Known for
- Acting
- Born
- June 16, 1995, Namwon, North Jeolla, South Korea
- Movies
- 3
Ki Hui-hyeon, better known by the mononym Huihyun and former stage name Cathy, is a South Korean singer. She is best known as a member of the South Korean girl group DIA
Best-Known Movies
Filmography
| 2025 | Winter in Sokcho | Bandaged Woman |
| 2018 | Love Again | Hui-hyeon |
| 2016 | DIA 1st Concert "First Miracle" | Huihyun |
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