Nathaniel Fish McClure (July 21, 1865 – June 26, 1942) was a United States Army officer in the early 20th century who became a brigadier general.

[1] Among his classmates included several general officers of the future, such as Charles Gerhardt, Charles S. Farnsworth, Ulysses G. McAlexander, Michael Joseph Lenihan, Herman Hall, William Weigel, Ernest Hinds, Mark L. Hersey, James Theodore Dean, Frank Herman Albright, Marcus Daniel Cronin, George Owen Squier, Thomas Grafton Hanson, George Washington Gatchell, Alexander Lucian Dade and Edmund Wittenmyer.

Though the cold of spring and autumn may be biting, though the life may be lonely, though the work may be difficult – still, happy is the soldier whose lines fall amid these scenes of grandeur and sublimity, where nature has put forth her mightiest efforts"[4] After the frontier, McClure was in Puerto Rico from 1899 to 1900, then he served in the Philippines from 1901 to 1903.

[1] In 1917, McClure graduated from the United States Army War College and was promoted to brigadier general on December 17 of that year.

[1] From 1920 to 1922, he served as the assistant commandant of the Disciplinary Barracks at Fort Leavenworth, Kansas and from 1923 to 1926 he worked with the Signal Corps.