Billy Mack "Bill" Ham (February 4, 1937 – June 20, 2016) was an American music impresario, best known as the manager, producer, and image-maker for the blues-rock band ZZ Top.
Ham also gained prominence in the country music world by discovering and managing multi-platinum singer-songwriter Clint Black and founding some of the most successful country music publishing companies.
For several years in the 1990s, Ham's companies published a majority of the top-10 country music singles.