Bad or BAD may refer to:
Common meanings Evil, the opposite of moral good Erroneous, inaccurate or incorrect Unhealthy, or counter to well-being Antagonist, the threat or obstacle of moral good
Acronyms BAD-2, a Soviet armored trolley car Bank account debits tax, an Australian tax 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, an unfinished film by Theo van Gogh Bad (2025 film), an Indian Kannada-language action thriller film
Music Performers B. A. D., the Taiwanese boy band, who formed in 1998 Big Audio Dynamite, Mick Jones' post-Clash band, from London Royce da 5'9", the American rapper known as Bad, in the group Bad Meets Evil
Albums Bad (album), a 1987 album by Michael Jackson BAD, or Bigger and Deffer, the second album by LL Cool J, 1987
Songs "Bad" (U2 song), 1984 "BAD", from the 1985 album This Is Big Audio Dynamite by Big Audio Dynamite "Bad" (Michael Jackson song), 1987 "Bad", from the 2011 album Symphony Soldier by The Cab "Bad" (Wale song), 2013 "Bad" (David Guetta and Showtek song), 2014 "Bad!" (XXXTentacion song), 2018 "Bad" (James Bay song), 2019 "Bad", by Don Diablo, featuring Zak Abel, 2020 "Bad", from the 2024 album P1X3L by Phoebus Ng "Bad", from the 2026 album Golden Hour: Part.5 by Ateez
Other music Bad (tour), a Michael Jackson world tour
Places "Bad" is the German word for "bath/spa" and so is found in many placenames in German-speaking Europe, e.g. Bad Kissingen Bad, Azerbaijan, a village in the Quba District Bad, a village in the Agra district of India Bad, Uttar Pradesh, a census town in India Bād, alternate name for Badrud, a city in Iran Bad River (disambiguation), various rivers
Transport Banstead railway station, Surrey, England (National Rail station code) Barksdale Air Force Base, Bossier City, Louisiana, US (IATA airport code BAD)
Other uses Bad (economics), the opposite of a good Bad (cuneiform), a cuneiform sign Little Miss Bad, a character in the Little Miss series of books by Roger Hargreaves Banda languages, spoken in Central Africa (ISO 639-2 and -5 codes "bad") Bipolar affective disorder Turkish cold bulgur soup, also known as Bad (Bat) in Turkish
See also BADD (disambiguation) List of people known as the Bad Bad 25, 2012 special 25th anniversary edition of the Michael Jackson album Bad Bad 25 (film), a 2012 documentary film about the Michael Jackson album