- Baby AT , a variant of the AT form factor
- Bangor Area Transit
- B.A.T. , "Bureau of Astral Troubleshooters", a 1990 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 Abdominal Trauma
- Bouquet Association Table , a DVB Signalling Table
- British American Tobacco
- British Antarctic Territory
- British Arctic Territory
- British Autistic Trust
- Brown Adipose Tissue , or "brown fat"
- Burst Alert Telescope , an x-ray telescope use on the Swift Gamma-Ray Burst Mission
- Chafei Amsei Airport (IATA airport code: ) in Barretos, Brazil
may refer to:
|