Lyle Franklin Bull (April 8, 1938 – May 4, 2018) was a rear admiral and Naval Flight Officer bombardier/navigator in the United States Navy. For extraordinary heroism on a bombing run over Hanoi in 1967, Bull was awarded the Navy Cross, the navy's second highest honor. The Hanoi mission for which Bull received the citation was a key storyline in the novel, Flight of the Intruder as well as a film by the same name.