William Ross (born 1948) is an American film composer, orchestrator, arranger, conductor and music director. He has worked with a large array of artists and musicians, from Hollywood composers John Williams, Alan Silvestri, Klaus Badelt and Michael Kamen to pop artists such as Barbra Streisand, Céline Dion, Andrea Bocelli, Josh Groban, Whitney Houston, Kenny G, Michael Jackson, David Foster, Quincy Jones, Babyface and Sting.