BAD

BAD may refer to:

Big Audio Dynamite - The primary musical outlet of Mick Jones, formerly of punk pioneers The Clash.
Broken as designed - A computer slang term originating at IBM, saying of a program that it is bogus because of bad design and misfeatures rather than because of bugginess.
Bad (album), by Michael Jackson
Banda language (ISO 639 alpha-3, bad)
Bank Account Debits Tax, an Australian tax
Barksdale Air Force Base (IATA airport code: BAD) in Bossier City, Louisiana, United States