Takamasa Ishihara (石原崇雅, Ishihara Takamasa, born September 14, 1981), better known by his stage name Miyavi (雅, Miyabi, stylized in all caps), is a Japanese guitarist, singer-songwriter, record producer, and actor known for his finger-slapping style of playing a guitar.

He has been active since 1999, first as guitarist for the visual kei rock band Dué le Quartz and then as a solo artist starting in 2002. In 2007, he became a member of the rock supergroup S.K.I.N. and in 2009 founded his own company, J-glam. He toured worldwide several times. In 2022, he became a member of the rock supergroup The Last Rockstars.

In 2014, Miyavi appeared in the motion picture Unbroken, directed by Angelina Jolie, and went on to undertake smaller roles in American productions such as Kong: Skull Island and Stray. Since 2013, Miyavi has been a volunteer at UNHCR, visiting refugee camps around the world. In November 2017, he was appointed an official Goodwill Ambassador.