Template:Infobox Governor William "Wild Bill" Langer (30 ga watan Satumba, shekarar 1886 – 8 ga Nuwamba, 1959) shahararren lauya ne kuma ɗan siyasan Amurka daga Dakota ta Arewa . Langer na ɗaya daga cikin haruffa masu ban sha'awa a tarihin Dakota ta Arewa, wanda ya fi shahara da dawowa daga wata badakalar da ta tilasta shi fita daga ofishin gwamna da kuma fuskantar gwaji da yawa. Ya yi aiki a matsayin Gwamna na 17 da 21 na Arewacin Dakota daga shekarar 1932 zuwa shekara ta 1934 da kuma daga shekarar 1937 zuwa shekara ta 1939. Langer yayi aiki a majalisar dattijan Amurka daga 1941 har zuwa rasuwarsa a ofishi a shekarar 1959. A matsayinsa na dan majalisar dattijai an fi saninsa da adawa sosai da duk wani shigar sojan Amurka a cikin lamuran duniya, yayin da masu adawa da shi suka kira shi mai nuna wariya. Langer an haife shi ne a ranar 30 ga Satan Satumba, shekarar 1886 kusa da Casselton, Dakota Territory, ga Ba’amurke-Ba’amurke Frank da Mary (Weber) Langer. Mahaifinsa Katolika, Frank Langer, ya kasance memba na majalisar dokoki ta farko ta jihar Dakota ta Arewa.