Curt Haase (15 December 1881 – 9 February 1943) was a German general (Generaloberst) in during World War II.

At the beginning of World War II, he commanded the III Corps in the Invasion of Poland and the Battle of France.

Haase was promoted to Generaloberst on 19 July 1940 and in mid-November 1940, he was relieved of his command and reassigned to the Führer-Reserve.

On 4 June 1941 he attended the funeral of German Emperor Wilhelm II at Doorn Manor in the Netherlands as a representative of the Oberkommando des Heeres.

He was transferred again to the Führer-Reserve for the remainder of his career and died on 9 February 1943 at the age of 61 of heart disease.