| Acronym | Definition |
|---|
| AGI | Adjusted Gross Income |
| AGI | Analytical Graphics, Inc. |
| AGI | American Geological Institute |
| AGI | Artificial General Intelligence |
| AGI | Agility |
| AGI | Alan Guttmacher Institute |
| AGI | Asterisk Gateway Interface (Unix) |
| AGI | Association for Geographic Information |
| AGI | Adventure Game Interpreter (Sierra) |
| AGI | Association of Ghana Industries (Ghana) |
| AGI | Alternative Gifts International |
| AGI | Academy for Guided Imagery |
| AGI | Advanced Geospatial Intelligence |
| AGI | Arabidopsis Genome Initiative (est. 1996) |
| AGI | Agenzia Giornalistica Italiana (Italian Reporters Agency) |
| AGI | Année Géophysique Internationale (French) |
| AGI | Alpine Group, Inc. (holding company; East Rutherford, NJ) |
| AGI | Acute Gastrointestinal Illness |
| AGI | Above Ground Installation |
| AGI | Acid Gas Injection |
| AGI | Annual General Inspection |
| AGI | Associazione Geofisica Italiana |
| AGI | Associazione Guide Italiane (Italian Girl Guides Association) |
| AGI | Agence Générale Immobilière (French: General Real Estate Agency) |
| AGI | Annuaire Généalogique Internet (French: Internet Genealogical Directory) |
| AgI | Silver Iodine |
| AGI | Antarctic Geographic Information |
| AGI | Auxiliary General Intelligence (NATO) Intelligence Collectors |
| AGI | Anderson Group Inc (Atlanta, GA) |
| AGI | Accounting Group International (est. 1991) |
| AGI | Assessments Group Indonesia |
| AGI | Air Global International |
| AGI | Administration Générale de l'Infrastructure (French: General Administration of Infrastructure; Belgium) |
| AGI | Australian Gastroenterology Institute |
| AGI | Albi Gestion Immobilière (French property management company) |
| AGI | Advanced Global Imager |
| AGI | Alliance Global Investments Inc. |
| AGI | Armament Gas Ingestion |
| AGI | Association for Genital Integrity |
| AGI | At-Grade Intersection (street planning) |
| AGI | Arcus Group Inc |
| AGI | Soviet General Intelligence SIGINT Ship |
| AGI | Soviet Intelligence Collection Ship |
| AGI | Aeronautical and General Instruments (UK) |
| AGI | Anti-Gang Initiative |
| AGI | Associazione Goistica Italiana (Italian: Association for Go in Italy; game) |
| AGI | Antwerp Gemological Institute |
| AGI | Advanced Ground Instructor (certification; US FAA) |