John Leland "Lee" Atwood (October 26, 1904 – March 5, 1999) was an American aerospace engineer who worked as Chief Engineer/Executive at North American Aviation for over 35 years, succeeding Dutch Kindelberger as president and CEO. He developed the P-51 Mustang during World War II, the F-100 jet fighter, the X-15 rocket plane, and oversaw the Apollo program.