David Michael Littlefield (born June 16, 1960) is a former Major League Baseball executive, who is currently a scout for the Detroit Tigers. Previously, Littlefield was employed as Senior Vice President and General Manager of the Pittsburgh Pirates, a position he held from July 13, 2001, to September 7, 2007. He took over as GM for Roy Smith, who had assumed the position on a temporary basis after the firing of GM Cam Bonifay on June 11.