Hideto Takarai (寶井秀人, Takarai Hideto, born January 29, 1969, in Wakayama, Japan), known by his stage name Hyde (stylized in upper or lowercase), is a Japanese musician, singer-songwriter, record producer, and actor. Best known as the lead vocalist of the rock band L'Arc-en-Ciel since 1991, he is also the lead vocalist of Vamps and has a solo career.

Hyde rose to fame in the 1990s as part of L'Arc-en-Ciel, who have sold over 40 million records and were the first Japanese act to perform a solo show at Madison Square Garden. He began a successful solo career in 2001, releasing several number one singles, and many of his albums have reached the top five on the Oricon chart. In 2008, Hyde teamed up with K.A.Z to form the hard rock duo Vamps.

Through both his solo career and Vamps, Hyde has collaborated/toured with artists such as Apocalyptica, Motionless in White, Starset, Yoshiki, Sixx:A.M., In This Moment, and Danzig, and producers such as Kane Churko, Nicholas Furlong, Drew Fulk, and Howard Benson.