Rick Rubin (born March 10, 1963) is an American record producer. Along with Russell Simmons, Rubin is the co-founder of Def Jam Records and also established American Recordings and American Songs (Publishing). With the Beastie BoysLL Cool JPublic Enemy, and Run–D.M.C., Rubin helped popularize hip hop music.

Rubin has also worked with artists such as Red Hot Chili PeppersKanye WestLady GagaSlayerJay ZJames BlakeDanzigDixie ChicksTom Petty and the HeartbreakersBlack SabbathSlipknotMetallicaAC/DCAerosmithWeezerLinkin ParkThe CultNeil DiamondThe Avett BrothersAdeleJoe StrummerMick JaggerSystem of a DownThe Mars VoltaRage Against the MachineAudioslaveSheryl CrowZZ TopJakob DylanLana Del ReyJustin TimberlakeShakiraEd SheeranDamien RiceEminemFrank Ocean, amongst many many others. In 2007, MTV called him "the most important producer of the last 20 years", and the same year Rubin appeared on Time's 100 Most Influential People in the World.