"Viva Las Vegas" is a 1964 song recorded by Elvis Presley written by Doc Pomus and Mort Shuman for his film of the same name, which along with the song was set for general release the year after. Although Elvis Presley never performed the song live, it has since become popular and often performed by others. The RIAA certified the single disc "Viva Las Vegas/What'd I Say" gold on March 27, 1992, having sold 500,000 copies in the United States.

Jerome Solon Felder, known professionally as Doc Pomus, was an American blues singer and songwriter. He is best known as the co-writer of many rock and roll hits. Pomus was inducted into the Rock and Roll Hall of Fame as a non-performer in 1992, the Songwriters Hall of Fame (1992), and the Blues Hall of Fame (2012).