BAT may refer to: BAT Community Connector, bus system in Bangor, Maine B.A.T., "Bureau of Astral Troubleshooters", a 1992 computer game Batch file, ".BAT", MS-DOS, OS/2, and Windows shell programs BAT (G.I. Joe), "Battle Android Troopers", fictional evil robots who appear in the G.I. Joe universe Best Available Technology, in pollutant regulation Blunt trauma to the abdomen Brilliant Anti-Tank munition British American Tobacco British Antarctic Territory Brockton Area Transit Authority… (More on Bat)