| Acronym | Definition |
|---|
| AIGA➣American Institute of Graphic Arts |
| AIGA➣Associazione Italiana Giovani Avvocati (Italy) |
| AIGA➣Arizona Indian Gaming Association |
| AIGA➣Assistant Inspector General for Audit (US government) |
| AIGA➣Alternative Income Generating Activity (various organizations) |
| AIGA➣Association Internationale de Geomagnetisme et d'Aeronomie |
| AIGA➣Association of International Gospel Assemblies |
| AIGA➣Associazione Italiana Giornalisti Ambientalisti |
| AIGA➣Advocate Initiatives for Grassroots Access |
| AIGA➣Associazione Italiana Gestalt Analitica (Italian Gestalt Association) |