The International Air & Space Hall of Fame is an honor roll of people, groups, organizations, or things that have contributed significantly to the advancement of aerospace flight and technology, sponsored by the San Diego Air & Space Museum. Since its founding in 1963, over 200 individuals have been inducted into the Hall, with new additions inaugurated at an annual gala.

Clarence Leonard "Kelly" Johnson was an American aeronautical and systems engineer. He is recognized for his contributions to a series of important aircraft designs, most notably the Lockheed U-2 and SR-71 Blackbird. Besides the first production aircraft to exceed Mach 3, he also produced the first fighter capable of Mach 2, the United States' first operational jet fighter, as well as the first fighter to exceed 400 mph, and many other contributions to various aircraft.