Kammala jumla mai zuwa: Janar William Hood Simpson (18 ga Mayu, 1888 - 15 ga Agusta, 1980) babban jami'in Sojan Amurka ne wanda ya yi aiki tare da bambanci a duka yakin duniya na farko da yakin duniya na biyu. An fi saninsa da kasancewa Babban Janar na Rundunar Sojojin Amurka ta Tara a
arewa maso yammacin Turai a lokacin yakin duniya na biyu.