Frank L. Marocco (January 2, 1931 – March 3, 2012) was an American piano-accordionist, arranger and composer. He was recognized as one of the most recorded accordionists in the world.

Born in Joliet, Illinois Frank Marocco grew up in Waukegan, near Chicago. At the age of seven years, his parents enrolled him in a six-week beginner class for learning to play the accordion.