Hans-Ferdinand Geisler (19 April 1891 – 25 June 1966) was a German general during World War II.
Born in Hanover in April 1891, Geisler joined the Imperial German Navy on April 1, 1909 as a Seekadett, prior to World War I and served during the entire conflict.
He joined the newly formed Luftwaffe in September 1933, reaching the rank of General der Flieger in July 1940.
As commander of Fliegerkorps X from October 2, 1939 to August 31, 1942, he used his background as a sailor to specialise in anti-shipping aerial operations.
He retired in October 1942 and died in June 1966 in Freiburg im Breisgau.