MADD

MADD or Madd may refer to:

• Mothers Against Drunk Driving, a nonprofit organization in the United States and Canada that seeks to stop driving with any amount of alcohol in the bloodstream
• Myoadenylate deaminase deficiency or Adenosine monophosphate deaminase deficiency type 1, a metabolic disorder
• Multiple acyl-CoA dehydrogenase deficiency, another name for the genetic disorder Glutaric acidemia type 2
• MADD (gene) or MAP kinase-activating death domain protein
• Madd, the fruit of Saba senegalensis
• Maladaptive Daydreaming Disorder (written MaDD)
• Mixed anxiety–depressive disorder, a psychological disorder