Willy Johannmeyer (27 July 1915 – 14 April 1970) was a German officer during World War II who served from 1939 to 1945 (a total of six years).
He was also a recipient of the Knight's Cross of the Iron Cross with Oak Leaves, and at the time of the dissolution of Nazi Germany, the last adjutant to Adolf Hitler of the army (Heeresadjutant).