The I Cavalry Corps (German: I. Kavalleriekorps), initially known simply as the Cavalry Corps (German: Kavalleriekorps),[1] or alternatively as Cavalry Corps Harteneck (German: Kavalleriekorps "Harteneck") after its commander,[2] was an army corps of the German Wehrmacht during World War II. It was formed in 1944 and existed until 1945.