Keller Williams (also known as K-Dub or just Keller) (b.February 4, 1970) is an American musician from Fredericksburg, Virginia who began performing in the early 1990s. His music combines elements of bluegrass, folk, alternative rock, reggae, electronica/dance, jazz, funk, and other assorted genres. He is often described as a 'one-man jam-band'.
Though primarily a solo artist, Keller has toured with several bands that include Yonder Mountain String Band, String Cheese Incident, Umphrey's McGee and Ratdog. Keller has a audio taping policy of his performances, and for non-commercial trading of the recordings but use of video or flash photography, or any recordings for profit are prohibited.