MADD or Madd may refer to:
*
Mothers Against Drunk Driving, a nonprofit organization in the United States and Canada that seeks to stop drunk driving
* Myoadenylate deaminase deficiency or
Adenosine monophosphate deaminase deficiency type 1
Adenosine monophosphate deaminase deficiency type 1 or AMPD1, is a human metabolic disorder in which the body consistently lacks the enzyme AMP deaminase, in sufficient quantities. This may result in exercise intolerance, muscle pain and muscle cr ...
, a metabolic disorder
*
Multiple acyl-CoA dehydrogenase deficiency
Glutaric acidemia type 2 is an autosomal recessive metabolic disorder that is characterised by defects in the ability of the body to use proteins and fats for energy. Incompletely processed proteins and fats can build up, leading to a dangerous c ...
, another name for the genetic disorder Glutaric acidemia type 2
*
MADD (gene)
MAP kinase-activating death domain protein is an enzyme that in humans is encoded by the ''MADD'' gene.
Tumor necrosis factor alpha (TNF-alpha) is a signaling molecule that interacts with one of two receptors on cells targeted for apoptosis
Ap ...
or MAP kinase-activating death domain protein
* Madd, the fruit of ''
Saba senegalensis
''Saba senegalensis'', known as ''weda'' in the Mossi language, Moore, French language, French, and English language, English languages, is a fruit-producing plant of the Apocynaceae family, native to the Sahel region of sub-Saharan Africa. It h ...
''
*
Maladaptive Daydreaming Disorder (written MaDD)
{{disambiguation