- ADSG stands for Adamawa State Government (Nigeria)
- ADSG stands for Attachment Disorder Support Group
- ADSG stands for Advanced DOCSIS (Data over Cable System Interface Spectrum) Set-Top Gateway
- ADSG stands for Adrenal Diseases Support Group (est. 2012)
- ADSG stands for Art Doll Sculpture Group (eBay collectors group)
- ADSG stands for American Diabetic Support Group, Inc. (Bonita Springs, FL)
ADSG