Shannon Boyd-Bailey McCune (April 6, 1913 – January 4, 1993) was an American geographer who was the civil administrator of the Ryukyu Islands from 1962 to 1964, the first civilian to hold that office.

Shannon Boyd-Bailey McCune was born in Sonchon, in what is now North Korea, as the son of Presbyterian educational missionaries George McCune and Helen McAfee.

In 1960, while acting president of UMass, he received an honorary Doctor of Laws from his alma mater Clark.

He left academia and the United States to serve as the first civilian civil administrator of the Ryukyu Islands from 1962 to 1964.

He served as the president of the University of Vermont from 1964 to 1966,[2] but resigned due to incompatibility with Board of Trustees and took a research trip to Asia.