Joseph Henry Allassani malamin Ghana ne kuma ɗan siyasa. Ya kasance dan majalisa kuma minista a lokacin jamhuriya ta farko. Shi ne ministan lafiya na farko a jamhuriya ta farko ta Ghana. An haifi Allassani a kusa da 1906 a Gumo wani yanki na gundumar Kumbungu kusan kilomita 9 daga Tamale a Yankin Arewa, Ghana sannan yanki na Togoland a ƙarƙashin rikon amanar Burtaniya. Ya yi karatunsa na firamare a makarantun katolika da ke Tamale, Elmina, Sunyani, kuma a ƙarshe a makarantar St. Peter da ke Kumasi. Ya shiga Kwalejin Horar da Malamai ta Gwamnati a 1924 kuma ya kammala da takardar shaidar sa ta 'A' a 1926. Allassani ya fara koyarwa a 1927 a St. Peter's Roman Catholic School, Kumasi. Ya yi koyarwa a wajen kimanin shekara ashirin da biyu. A cikin 1949 ya yi murabus don ɗaukar mukami a matsayin sakataren Gwamnatin 'Yan Asalin Dagomba. A waccan shekarar, an zaɓe shi a cikin Majalisar Yankin Arewa kuma a cikin 1951 an zaɓe shi zuwa majalisar dokoki a matsayin wakilin Dagomba Gabas akan tikitin Convention People's Party. Ya hau karagar mulki a hukumance a ranar 8 ga Fabrairu 1951.