People with the surname Arnold · Benedict Arnold, American Revolution General officer who defected from the American to the British Side · Benedict Arnold , United States Congressman from Amsterdam New York · David Arnold, British composer · Dominique Arnold, American hurdling athlete · Eberhard Arnold, German Writer, Philosopher, and Theologian · Eddy Arnold, Country music preformer · Georg Arnold-Graboné, German painter · Henry H. Arnold, United States Air Force pioneer aviator and commanding general · Jennette Arnold, Member of the Greater London Assembly · Joanne Arnold, an American actress and model · John D. Arnold, Hedge Fund Manager · Dr. Jonathan Arnold, member of the Continental Congress, founder of the Town of Saint Johnsbury Vermont and author of Rhode Island's act of secession from the United Kingdom · Karl Arnold, a German toy and model railway