Posted in Government & Military, Health & Medicine, Organizations ADDA stands for Attention Deficit Disorder Association ADDA stands for American Design Drafting Association ADDA stands for Anxiety Disorders Association of America (Silver Spring, MD) ADDA stands for Attention Deficit Disorder in Adults ADDA stands for Australian Database Development Association ADDA stands for Associazione per la Difesa dei Diritti degli Animali ADDA stands for American Dream Downpayment Act