Cho Kyu-hyun (better known by his mononym Kyuhyun) is a South Korean singer.

His discography consists of one studio album, four extended plays, two single albums, fourteen singles, three promotional singles, and twenty one soundtrack songs.

He debuted as a member of South Korean boy band Super Junior in 2006 and subsequently became a part of its subgroup Super Junior-K.R.Y.

in 2006 and Super Junior-M in 2008 as well as SM Entertainment's group SM the Ballad in 2010.