| Acronym | Definition |
|---|
| GAD | Generalized Anxiety Disorder |
| GAD | General Anxiety Disorder (less common) |
| GAD | Glutamic Acid Decarboxylase |
| GAD | Gender and Development |
| GAD | Global Account Director (various companies) |
| GAD | Growth and Development |
| GAD | Geocentric Axial Dipole (physics) |
| GAD | Gender & Development |
| GAD | Government Actuary's Department (UK) |
| GAD | Gamma Alpha Delta (fraternity) |
| GAD | General Anthropology Division (American Anthropological Association) |
| GAD | General Accounting Division (various locations) |
| GAD | Gift Aid Declaration (charitable contributions; UK) |
| GAD | General Arrangement Drawing (engineering) |
| GAD | Global Active Directory (Microsoft) |
| GAD | Government Administration and Defence (Australia) |
| GAD | Gesellschaft für Automatische Datenverarbeitung (German: EDP society) |
| GAD | Government Affairs Division (various organizations) |
| GAD | Grants Administration Division |
| GAD | Go and Die (texting) |
| GAD | Globalization and Democracy |
| GAD | Germersheim Army Depot |
| GAD | Georgia Association of the Deaf, Inc. |
| GAD | Genesys Agent Desktop (customer contact center industry) |
| GAD | Global Application Delivery |
| GAD | Guard Capacity Adaptation Based on Dropping |
| GAD | Gallium Arsenide Diode |
| GAD | Gender Awareness and Development |
| GAD | Generic Accreditation Document |
| GAD | Gender Alliance for Development Center (Tirana, Albania) |