Bad or BAD may refer to:

Common meanings

Evil Evil, as a concept, is usually defined as profoundly immoral behavior, and it is related to acts that cause unnecessary pain and suffering to others. Evil is commonly seen as the opposite, or sometimes absence, of good. It can be an extreme ...

, 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" (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 1985 album '' This Is Big Audio Dynamite'' by Big Audio Dynamite

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