Francis Kosier Newcomer (September 14, 1889 – August 16, 1967) was an American military officer who served as Governor of the Panama Canal Zone from 1948 to 1952.

[1] He attended the United States Military Academy at West Point and graduated first in his class in June 1913.

During World War I, Newcomer served as a temporary lieutenant colonel with the 4th Engineers, 4th Division.

He was awarded the Distinguished Service Cross for his bravery and leadership in the construction of a foot bridge over the Vesle river near Fismes while under fire on August 5, 1918.

He died on August 16, 1967, in Brooke General Hospital at Fort Sam Houston, and was buried at Arlington National Cemetery.