Sidney Mills (born 1959) is a British Jamaican musician, performing mostly within the reggae genre and best known as a member of the roots reggae band Steel Pulse. Mills was born in the United Kingdom and moved to Jamaica as a child. He was raised in the Saint Thomas Parish, Jamaica and became a musician from an early age, moving to Kingston in the late 1960s to pursue a musical career. Sidney attended Kings College Kingston where he matured as a musician under the tutelage of the likes of Sonny Bradshaw.