- ADAG stands for A1C-Derived Average Glucose (medicine)
- ADAG stands for Association of Disabled American Golfers (Lakewood, CA)
- ADAG stands for Americans with Disabilities Act Guidelines
- ADAG stands for Architectural Drawings Advisory Group (est. 1983; National Gallery of Art; Washington, DC)
- ADAG stands for Array Data Analysis Group (University of California, Los Angeles)
- ADAG stands for Aircraft Design and AeroflightDynamics Group
ADAG