Posted in Business & Finance, Government & Military, Health & Medicine ADDP stands for 1,1′- (Azodicarbonyl)dipiperidine ADDP stands for Association of Developmental Disabilities Providers (Massachusetts) ADDP stands for Association Départementale de Défense du Public (French: Departmental Association of Public Defense) ADDP stands for AIDS Drug Distribution Program ADDP stands for Analyze Dissect Detect Process ADDP stands for Advanced Digi Discovery Protocol ADDP stands for Asymmetrically Degenerated Differential Pair ADDP stands for Africa Decade of Disabled People ADDP stands for Air Dominance Decision Point ADDP stands for Appraisal Defect Detection & Prevention (finance)