Reginald Lane Poole (1857–1939) was a British historian. He was Keeper of the Archives and a lecturer in diplomacy at the University of Oxford, where he gave the Ford Lectures in 1912 on the subject of "The Exchequer in the Twelfth Century". Son of Edward Stanley Poole, the "Lane" in his surname comes from his paternal grandmother Sophia Lane Poole, author of An Englishwoman in Egypt (1844). Father of Austin Lane Poole (1889–1963), also a historian and Ford's Lecturer. Brother of Stanley Lane-Poole, nephew of Reginald Stuart Poole, great-nephew of Edward William Lane.
He edited, among other works, with W. Hunt, Political History of England (twelve volumes, 1905–10). New International Encyclopedia
His works include: