Harold Dewolf Kantner (February 23, 1886 – December 11, 1973) was a pioneer aviator.

He attended the John Bevins Moisant aviation school and was taught to fly by Andre Haupert.

Kantner and Etienne Dormoy built a Bleriot monoplane with a 50 horsepower Gnome et Rhône engine in which Kantner soloed on June 30, 1911, and was given Fédération Aéronautique Internationale certificate number 65 on October 14, 1911, in Mineola, New York.

[2] He was instructor at the Yale group in Buffalo, New York.

After World War I he worked as designer and test pilot for Continental motors, Aeromarine, Fairchild and Convair.