Johann-Heinrich Eckhardt (3 December 1896 – 15 May 1945) was a highly decorated Generalleutnant in the Wehrmacht during World War II. He was also a recipient of the Knight's Cross of the Iron Cross with Oak Leaves. The Knight's Cross of the Iron Cross and its higher grade Oak Leaves was awarded to recognise extreme battlefield bravery or successful military leadership. Johann-Heinrich Eckhardt was captured by American troops on 8 May 1945 and died in custody on 15 May 1945.