Yoon Jin-young (, Hanja: 尹軫æ ; born August 11, 1999), better known by his stage name Ash Island (, stylized in all caps), formerly Clloud (), is a South Korean rapper, singer and songwriter. He was a contestant on season 2 of Mnet's High School Rapper, where he finished in 4th place. He joined The Quiett's sub-label, Ambition Musik in November 2018. He released his debut album, Ash, on March 22, 2019.
On July 7, 2024, Yoon announced his marriage to Korean-Japanese rapper Chanmina and her pregnancy with the couple's first child. On November 1, the couple welcomed their first child, a baby girl.