Big Brown

Big Brown may refer to:
 * Big Brown (horse), an American thoroughbred racehorse
 * Big brown bat, a North American bat
 * Big Brown, a nickname for the delivery company United Parcel Service
 * Big Brown Box, an Australian online retailer
 * Big Brown (poet) (1920–1980), American street performer
 * Big Brown, a nickname of retired UFC fighter Brendan Schaub
 * Big Brown Power Plant, a former power plant in Texas