James Buel Lile, known as Jimmy Lile or The Arkansas Knifesmith (August 22, 1933 – May 5, 1991), was an American knifemaker from Russellville in Pope County, Arkansas, who made the Rambo Knife for the films First Blood and Rambo: First Blood Part II. As a knifemaker Lile served as a President of the Knifemakers' Guild and on the Board of Directors of the American Bladesmith Society.