Mad

**Mad**, **mad**, or **MAD** may refer to:

## Geography
* Mad (village), a village in the Dunajská Streda District of Slovakia
* Mád, a village in Hungary
* Adolfo Suárez Madrid–Barajas Airport, by IATA airport code
* Mad River (disambiguation), several rivers

## Music
### Bands
* Mad (band), a rock band from Buenos Aires, Argentina
* M.A.D (band), a British boyband
* M.A.D. (punk band), a 1980s band, which later became Blast
* Meg and Dia, an American indie rock band
### Albums
* *Mad* (Raven EP), released in 1986
* *Mad* (Hadouken! EP), released in 2009
* *Mad* (GOT7 EP), released 2015
### Songs
* "Mad" (Ne-Yo song),  2008
* "Mad", by Dave Dudley from *Talk of the Town*, 1964
* "Mad", from *Secret Life of Harpers Bizarre*, 1968 
* "Mad", by The Lemonheads from *Lick*, 1989
* "Mad", from the album *Magnetic Man*, 2010
* "Mad", by Cassie Steele, 2014
* "M・A・D" (Buck-Tick song), 1991

## Organizations
* MAD Studio, an architectural firm
* Make A Difference, an Indian NGO
* Might and Delight, a Swedish video game development studio
* *Militärischer Abschirmdienst*, German military counterintelligence agency
* Museum of Arts and Design, New York City, US
* Mechanical Art and Design museum, in Stratford-upon-Avon

## Science and technology
* MAD (programming language), for Michigan Algorithm Decoder
* Magnetic anomaly detector, detects minute variations in Earth's magnetic field
* Maritime anomaly detection in Global Maritime Situational Awareness, for avoiding maritime collisions
* Mathematicians of the African Diaspora, website highlighting mathematical contributions of members of the African diaspora
* Methodical Accelerator Design, a CERN scripting language
* Modified Atkins diet, a specific form of ketogenic diet
* Mothers against decapentaplegic, a gene discovered in *Drosophila*
* MPEG Audio Decoder, audio decompression software
* Multi-conjugate Adaptive optics Demonstrator, an astronomical method
* Multi-wavelength anomalous dispersion, a technique used in X-ray crystallography

## Statistics
* Mean absolute deviation, a measure of the variability of quantitative data
* Mean absolute difference, a measure of statistical dispersion
* Median absolute deviation, a statistical measure of variability

## Television and video
* *Mad TV*, a 1995–2009 American sketch comedy television series inspired by Mad magazine
* *Mad* (TV series), a 2010–2013 television series on Cartoon Network based on the magazine
* MAD TV (Greece), a Greek music channel
* *M.A.D.* (Indian TV programme), a 2005–2010 Indian children's educational television programme that aired on Pogo TV
* M.A.D., the evil organization run by Doctor Claw in *Inspector Gadget*
* "M.A.D." (*Veronica Mars*), a 2005 episode of the American television series *Veronica Mars*
* MAD, music anime douga, a Japanese term for fan-made anime music video

## Other uses
* *Mad* (magazine), an American humor magazine
* Mad, a term for insanity used chiefly in British English
* Mad, a term for anger used chiefly in US English
* Mutual assured destruction, nuclear warfare deterrence concept
* Mandibuloacral dysplasia
* MAD Moroccan dirham (ISO 4217 code), the currency of Morocco
* mad, the ISO 639-2 code for the Madurese language