Hideto Takarai (寶井 秀人, Takarai Hideto, born January 29, 1969 in Wakayama, Japan), known exclusively by his stage name Hyde, is a Japanese musician, singer-songwriter, record producer and actor. He is best known as vocalist for the rock band L'Arc-en-Ciel, as well as for Vamps. While in L'Arc-en-Ciel his name is stylized as hyde, whereas in his solo work and Vamps it is stylized as HYDE.

He joined L'Arc-en-Ciel in 1991 after leaving the band Jerusalem's Rod for which he was the guitarist. In addition to being the lead singer and main lyricist of L'Arc-en-Ciel, Hyde has released 4 solo albums and 8 singles. In 2008 he formed Vamps with K.A.Z, and started his own independent record label called Vamprose.