"It's Now or Never" is a song recorded by Elvis Presley and released as a single in 1960. The song is one of the best-selling singles by Presley, and one of the best-selling physical singles of all time. It was recorded by Bill Porter at RCA Studio B in Nashville. It is written in E major and has a tempo of 80 BPM.

Bill Porter was an American audio engineer who helped shape the Nashville sound and recorded stars such as Chet Atkins, Louis Armstrong, the Everly Brothers, Elvis Presley, Gladys Knight, Barbra Streisand, Diana Ross, Skeeter Davis, Ike & Tina Turner, Sammy Davis Jr., and Roy Orbison from the late 1950s through the 1980s. In one week of 1960, his recordings accounted for 15 of Billboard magazine's Top 100, a feat none has matched. Porter's engineering career included over 7,000 recording sessions, 300 chart records, 49 Top 10, 11 Number Ones, and 37 gold records.