John Gregory Branca (born December 11, 1950 in Bronxville, New York), is an entertainment lawyer and manager who specializes in representing rock and roll acts, as well as independent investors, music publishing catalogs, and independent music labels. He has represented over 30 acts in the Rock and Roll Hall of Fame, including The Rolling Stones, Michael Jackson, The Jackson 5, Carlos Santana, Aerosmith, The Beach Boys, ZZ Top, Fleetwood Mac, Bee Gees, Earth, Wind And Fire, John Fogerty and The Doors, which is believed to be more than any other entertainment attorney.