Billy Williamson

Billy Williamson may refer to:


 * Billy Williamson (footballer, born 1922) (1922–2006), Scottish footballer (Rangers, St. Mirren and Stirling Albion)
 * Billy Williamson (footballer, born 1952), Scottish footballer (Aberdeen, Dundee United and Dundee)
 * Billy Williamson (guitarist) (1925–1996), American guitarist
 * Billy P. Williamson, American football coach, 1898