Boni Boyer (July 28, 1958 – December 4, 1996) was an American vocalist, multi-instrumentalist and composer. She was best known for her work with Prince in the late 1980s. Boyer was playing keyboards and singing backing vocals with Sheila E.'s group when Prince was forming a new touring band after the break-up of The Revolution, in 1986. When Sheila E. became the drummer in the new band, she also brought Boyer and her bassist Levi Seacer, Jr. with her. Boyer performed as keyboardist and vocalist on the concert tours for Sign o' the Times and on the albums and concert tours for Lovesexy and Graffiti Bridge.