Greg or Gregory Williams may refer to: Greg Williams (Australian footballer) (born 1963), Australian rules football in the AFL Greg Williams (American football) (born 1959), American football safety in the NFL Greg Williams (basketball) (born 1947), American college and professional women's basketball coach Greg Williams (radio personality) (born 1960), American radio personality Greg Williams (photographer), British editorial and film photographer Greg Williams, member of the bands White Heat and Switch Gregory H. Williams, American academic Woody Williams (Gregory Scott Williams, born 1966), former Major League Baseball pitcher Gregory Alan Williams (born 1956), American actor and author