Billy King may refer to: Billy King (sportsman) (1902–1987), Irish cricketer and Singaporean rugby union player Billy King (Australian footballer) (1920–1990), Australian rules footballer Billy King (basketball) (born 1966), American basketball player and general manager Billy King (footballer, born 1994), Scottish footballer (St Patrick's Athletic F.C.) Billy King (vaudeville) (1867–1951/75–1951), American vaudeville entertainer and showman Robin King (born 1966), Northern Irish paramilitary nicknamed "Billy"