James Warren may refer to any of the following people: · James Warren (1726-1808), President of the Provincial Congress of Massachusetts and a general during the American Revolution · James Warren , British engineer who patented the Warren-type truss bridge in 1848 · James Warren (1913-2001), American film actor and artist · James S. Warren, former Director-general of the counter-terrorism branch of the Canadian Security Intelligence Service · James Warren , an American journalist