• Evil
• Erroneous
• Unhealthy

• BAD-2, a Soviet armored trolley car
• Bank account debits tax, an Australian tax
• Barksdale Air Force Base (IATA airport code: BAD) in Bossier City, Louisiana, United States
• Bcl-2-associated death promoter, a pro-apoptotic protein
• Team B.A.D., a professional wrestling tag team

Films

• Andy Warhol's Bad, a 1977 film
• Bad (2004 film), an unfinished film by Theo van Gogh
• Bad (2007 film), a 2007 film about dyslexia
• Bad 25 (film), a 2012 documentary film about the Michael Jackson album

Music

Albums

• Bad (album), a 1987 album by Michael Jackson
  • Bad 25, a 2012 special 25th anniversary edition of the Jackson album
• "Bad", a single from the 2011 album Symphony Soldier by The Cab
• BAD, or Bigger and Deffer, the second album by LL Cool J, 1987

Songs

• "Bad" (Michael Jackson song), a song from Bad, 1987
• "Bad" (David Guetta and Showtek song), a song by David Guetta and Snowtek featuring Vassy, 2014
• "Bad" (U2 song), a song by the rock band U2, 1984
• "Bad" (Wale song), a song from The Gifted, 2013

Bands

• B.A.D, the Taiwanese boy band, who formed in 1998
• Big Audio Dynamite, Mick Jones' post-Clash band, from London

Other uses in culture

• Bad (tour), a Michael Jackson world concert tour
• Little Miss Bad, a character in the Little Miss series of books by Roger Hargreaves
• Royce da 5'9", the American rapper known as Bad, in the group Bad Meets Evil

• Good and Bad, from On the Genealogy of Morality