The Nazi Party's leader was Adolf Hitler.
Adolf Hitler ( [ ˈadɔlf ˈhɪtlɐ ] ; 20 April 1889 -- 30 April 1945 ) was a German politician who was the leader of the Nazi Party ( Nationalsozialistische Deutsche Arbeiterpartei ; NSDAP ) , Chancellor of Germany from 1933 to 1945 , and Führer ( `` Leader '' ) of Nazi Germany from 1934 to 1945 . Nazi Party . The party 's leader since 1921 , Adolf Hitler , was appointed Chancellor of Germany by President Paul von Hindenburg on 30 January 1933 .