| Term | Full Form | Category |
|---|---|---|
| IGFA | Idaho Guardian and Fiduciary Association | Others |
| IGFA | In Good Faith and Associates | Others |
| IGFA | Inert Gas Fusion Analysis | Others |
| IGFA | International Game and Fish Association | Others |
| IGFA | International Game and Fishing Administration | Others |
| IGFA | International Game Fish Association | Others |
| IGFA | International Game Fishing Association | Others |
| IGFA | International Graphic Fairtrade Association | Others |
| IGFA | International Group of Funding Agencies | Others |