Ronald Oneil Spence, Jr. (born September 14, 1992), better known as his stage name Ronny J (stylized as RONNYJ) or Ronny J Listen Up (stylized as RONNYJLI$TENUP), is an American record producer, rapper, and disc jockey from Camden, New Jersey. He was raised in Woodbury, New Jersey and is currently based in Miami, Florida.

He is a member of Denzel Curry’s Miami-based hip hop collective C9 and is currently signed to Atlantic Records.

Ronny J gained notoriety for his production for south Florida rap artists, such as Denzel Curry, Lil Pump, Ski Mask The Slump God, and XXXTENTACION.

On February 23, 2018, Ronny J released his debut album, “OMGRONNY”.

Building off his success with the Florida rap scene, Ronny has expanded, collaborating with artists like Kanye West and Eminem.