- ADIG stands for Allgemeine Deutsche Investment Gesellschaft (German: General German Investment Company; Germany)
- ADIG stands for Application Development Interface Guidelines (semiconductors)
- ADIG stands for Associazione Diabete Infantile Giovanile (Italian: Diabetes Association for Children and Youth; Italy)
- ADIG stands for Asociación de Informática de Guatemala (Computer Science Association of Guatemala)
- ADIG stands for American Design Intelligence Group (apparel; est. 1987)
- ADIG stands for AMC (Air Mobility Command) Data Implementation Group (addresses data standardization issues)
- ADIG stands for Association des Interets de Gimel (French)
ADIG