| Acronym | Definition |
|---|
| FAD | Functional Analysis and Design (methodology) |
| FAD | Formazione a Distanza (Italian: Distance Learning) |
| FAD | For A Day |
| FAD | Flavin Adenine Dinucleotide |
| FAD | Formación a Distancia (Spanish: Distance Training) |
| FAD | Funding and Disclosure (Australia) |
| FAD | Field Ammunition Depot (various locations) |
| FAD | Funds Available for Distribution |
| FAD | Factory Authorized Dealer |
| FAD | Foreign Animal Disease |
| FAD | First Appearance Datum (geology) |
| FAD | Floating Addition |
| FAD | Flea Allergy Dermatitis |
| FAD | Fiscal Affairs Department (International Monetary Fund) |
| FAD | Fresh Air Damper (various companies) |
| FAD | Familial Alzheimer's Disease |
| FAD | Fonds Africain de Développement (French: African Development Fund; est. 1972) |
| FAD | Faculty and Academic Development (various locations) |
| FAD | Fish Aggregating Device |
| FAD | Foreign Affairs Division (various locations) |
| FAD | Final Appraisal Determination (National Health Service; UK) |
| FAD | Finance and Administration Division (various organizations) |
| FAD | Follow Any Day |
| FAD | Financial Audit Division (various states) |
| FAD | Financial Aid Department (various locations) |
| FAD | Free Air Delivery (compressors) |
| FAD | Finnish Association of the Deaf |
| FAD | Fiscal Affairs Division (various organizations) |
| FAD | Fine Arts Day (various locations) |
| FAD | Force Activity Designator |
| FAD | Food Availability Decline (economics) |
| FAD | Fundacion de Ayuda a la Drogadicción (Foundation Against Drug Addiction, Spain) |
| FAD | Failure Assessment Diagram |
| FAD | Fleet Air Detachment (US Navy) |
| FAD | Financial Aid Director |
| FAD | Funding Authorization Document |
| FAD | Fleet Air Defense |
| FAD | Florida Association of the Deaf, Inc. |
| FAD | Fish Attracting Devices |
| FAD | File, Act, Delete (organization method) |
| FAD | First-Aid Dressing (US Army) |
| FAD | Formulation Authorization Document |
| FAD | Feasible Arrival Date |
| FAD | Function Allocation Diagram (business process modelling) |
| FAD | Functions As Designed |
| FAD | Final Acceptance Date |
| FAD | Frame Assembler/Disassembler |
| FAD | For Additional Days |
| FAD | Funding Allowance Document |
| FAD | Fuel Advisory Departure |
| FAD | Friends Against Drugs |
| FAD | Forward Area Defense |
| FAD | First Assets Delivered |
| FAD | Fuzing Arming Device |
| FAD | Functional Area Designation |
| FAD | Funding Allocation Document |
| FAD | Fuel Air Detonator |
| FAD | Fixed Amount Deduction |
| FAD | Fun Auction Day (Northwood University) |
| FAD | Forward Area Display |
| FAD | Feature Architecture Design (software architecture document) |
| FAD | Fire Alarm Dispatcher (FDNY) |
| FAD | Field Assistance Division |
| FAD | FASCAL Absolute Detector |
| FAD | Field Authorization Document |
| FAD | Fighter Alert Detachment |
| FAD | Fighter Air Directory |
| FAD | Field Activity Designator |
| FAD | Feature Analysis and Design (high level design document) |
| FAD | First Article Delivery |
| FAD | Formal Agency Decision (military courts and review board agencies) |
| FAD | Fresh Air Ducting |
| FAD | Force Accounting Designator |
| FAD | Field Activities Division |
| FAD | Finished After Deadline |