Robert Matteson Johnston (1867–1920) was an American historian and an important scholar of military history.

Robert Matteson Johnston was born in Paris on April 11, 1867.

[1] He taught at Harvard University and Mount Holyoke College, and was a founding member of the faculty at Simmons University.

[3] In 1917, he was appointed Chief of the Historical Section of the General Staff in the field with the rank of major in the United States Army.

This biography of an American historian is a stub.