Posted in Government & Military DIAB stands for Defence Industry Advisory Board (Australia) DIAB stands for Departmental Items Adjustments and Borrowings (Department of Foreign Affairs and Trade; Australia) DIAB Share Pinterest Tweet Whatsapp Post navigation DIAADDIABC Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.