C. J. Vanston is an American film composer, record producer, songwriter, and keyboardist, based in Hollywood, California. He was born in Denver, Colorado, the son of Bonnie L. Smith.
Vanston has contributed to numerous albums, including those by Prince, 'NSync, Barbra Streisand, Ringo Starr, Celine Dion, Bob Seger, Richard Marx, Tina Turner, Joe Cocker, Anna Vissi, and Spinal Tap.