Ga Yoon (가윤) is a Korean pop singer. She was the main vocalist for 4minute, a member of the sub-unit 2YOON along with Ji Yoon, and the one-time unit Mystic WHITE.
She acted in the drama “Light and Shadow” (2012), and had some cameo appearances in “Me Too, Flower!” (2011), “My Friend Is Still Alive” (2013), “Let’s Eat 2” (2015).