Mepụta ụdị nke ahịrịokwu a William''Billy''John McAdams (20 Jenụwarị 1934, na Belfast - Ọktọba 2002, na Barrow-in-Furness) bụ onye ọkpụkpọ bọọlụ Northern Irish.
N'ezie, ụdị okwu dị mgbagwoju anya nke ahịrịokwu ahụ bụ "William 'Billy' John McAdams (20 Jenụwarị 1934 - 13 Ọktoba 200) bụ onye ọkpụkpọ bọọlụ Northern Irish nke na-egwuri egwu n'ime ọnọdụ n'ihu. "