Han Sang-hyuk, better known by his stage name Hyuk (Korean: 혁), is a South Korean singer and actor. Hyuk debuted as a member of the South Korean boy group VIXX in May 2012, and began his acting career in 2016 in the comedy-action film Chasing as Han Won-tae.

VIXX is a South Korean boy band formed by Jellyfish Entertainment through the 2012 reality show MyDOL. Originally a sextet, the group is currently composed of four members: N, Leo, Ken and Hyuk—former vocalist Hongbin and rapper Ravi left the group and the agency in August 2020 and April 2023, respectively. They are predominantly known as a "concept or performance group" whose music, lyrics, choreography, and overall stage performances are crafted together to tell a story or concept.