Lisa Guyer (born October 25, 1963) is an American singer, guitarist, and songwriter.
She was born into a musical family that put on shows in their community, and Guyer learned to sing and dance by age four.
Guyer's vocal skills are completely self-taught. Godsmack's Sully Erna describes Guyer as having "a phenomenal voice and a four-octave range". As of 2016 Guyer was an associate professor at Berklee College of Music in Boston.