Posted in Business & Finance, Government & Military, Legal, Organizations DARF stands for Documento de Arrecadaçäo de Receitas Federais (Portuguese: Federal Revenue Collection Document; Brazil) DARF stands for Drug Accountability Record Form (various organizations) DARF stands for Donaldson Arthritis Research Foundation (est. 2005) DARF stands for Defence of Amateur Radio Fund (Ottawa, Ontario, Canada) DARF stands for Defense Atomic Research Facility DARF stands for Document Acceptance Review Form