John Edward Davis (April 18, 1913 – May 12, 1990) was an American politician who served as Director of the Defense Civil Preparedness Agency from 1969 to 1976.

While at the university, he pledged for Beta Theta Pi, and was active in the Reserve Officers' Training Corps (ROTC).

Davis graduated with a Bachelor of Science in Commerce in 1935 and was commissioned a second lieutenant in the Officers Reserve Corps.

Davis was elected The American Legion National Commander from 1966 to 1967, and was appointed Director of the Office of Civil Defense by President Richard Nixon in 1969.

In 1977, Davis returned to North Dakota to operate the family ranch and resume presidency of the First National Bank of McClusky.

Davis was active in many non-profit organizations, including the Elks, Masons, and the Scottish Rite and the Shrine.