- This article is about the singer and actor. For other uses, see Ken.
Lee Jae-hwan (Hangul: 이재환, born April 6, 1992 in Seoul, South Korea), known by his stage name Ken (켄), is a Korean singer and actor. He is a member of the boy band VIXX.
In 2017, he portrayed Tsukasa Domyoji in Boys Over Flowers: The Musical. He rotated the role with Lee Chang-sub and Kim Ji-hui.