Bomber: A Defense Report on Film is a 1941 American short documentary film produced by the United States Office for Emergency Management, and was edited from the 19-minute Building a Bomber: A Defense Report on Film (1941). The film commentary was written by Carl Sandburg.

The main subject of Bomber: A Defense Report on Film was the Martin B-26 Marauder, a twin-engine medium bomber in production from 1941 to 1945.