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. In 1981, he moved to New York City, performing alongside reggae and Jamaican musical artists such as Shabba Ranks and lovers rock icon Judy Mowatt. Sidney has been the keyboard player for the Grammy award-winning band Steel Pulse since 1988. He has collaborated with a wide array of artists, including Aswad and Smashing Pumpkins. He is the founder of New York-based record company Living Room Records, which notably released albums featuring Dennis Brown and Sylvia Tella.