Colonel Fielding Hudson Garrison, MD (November 5, 1870 – April 18, 1935) was an acclaimed medical historian, bibliographer, and librarian of medicine.

The son of U.S. Treasury Comptroller John Rowzee Garrison and noted Washington, D.C., civic volunteer Catherine Jane Jennie Davis, he married Clara Augusta Brown in 1910 in Washington, D.C., and they eventually had three daughters.

He helped create and compile the Index-Catalogue of the Library of the Surgeon General's Office.

He prepared plans and collected material for the history of the U.S. Army Medical Department during World War I.

From 1930, Garrison was lecturer in the history of medicine and librarian of the Welch Medical Library of the Johns Hopkins University.