The commander of North American Aerospace Defense Command (NORAD) is a four-star general or admiral in the United States Armed Forces who serves as the head of all United States and Canadian joint aerospace military operational forces, stationed within the North American territories. The commander of NORAD concurrently serves as the commander of United States Northern Command and is the head of all U.S. military forces within the command's geographical area of responsibility. The commander of NORAD is nominated for appointment by the President of the United States and must be confirmed by the United States Senate. Prior to 2001, the title for the commander of NORAD was called the Commander-in-Chief of the North American Aerospace Defense Command. The commander of NORAD typically serves for two years.

Air Marshal Charles Roy Slemon, CB, CBE, CD, known as Roy Slemon, was the Royal Canadian Air Force's Chief of the Air Staff from 1953 to 1957. In 1957 he was appointed as the first Deputy Commander of NORAD.