John Arthur Macready (October 14, 1887 – September 15, 1979) was an American test pilot and aviator.
He was the only three-time recipient of the Mackay Trophy, receiving the trophy three consecutive years.
Macready won the MacKay Trophy three times: once for the altitude flight, once for the transcontinental flight, and once for an endurance flight of 36 hours, 4 minutes and 32 seconds.