Kostyantyn Mykolayovych Bocharov (Ukrainian: Костянти́н Микола́йович Бочаро́в ; born 11 April 1997), better known by his stage name Mélovin (stylised as MÉLOVIN), is a Ukrainian singer and songwriter. He first came to prominence after winning season six of X-Factor Ukraine.

He will represent Ukraine in the Eurovision Song Contest 2018 with the song "Under the Ladder".