Heo Ga-yoon

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Heo Ga-yoon
허가윤
Heo in September 2012
Born	Heo Ga-yoon (1990-05-18) May 18, 1990 (age 34) Goyang, South Korea
Alma mater	Dongguk University
Occupations	Singer actress
Years active	2011–present
Agent	BS Company
Musical career
Genres	K-pop
Instrument	Vocals
Years active	2009–2016
Labels	Cube
Formerly of	4Minute 2Yoon United Cube
Musical artist
Korean name
Hangul	허가윤
Hanja	許嘉允
Revised Romanization	Heo Ga-yoon
McCune–Reischauer	Hŏ Kayun

Heo Ga-yoon (born May 18, 1990), better known by the mononym Gayoon, is a South Korean actress and singer. She is a former member of South Korean girl group 4Minute and its sub-group 2Yoon.