| Rank | Abbreviation | Meaning |
|---|
| ***** | IFAA | Institut für Afrikanistik und Ägyptologie
| |
| ***** | IFAA | Intelligence Functional Area Assessment
| |
| **** | IFAA | Institut für Angewandte Arbeitswissenschaft eV
| |
| **** | IFAA | International Federation of Adjusting Associations
| |
| **** | IFAA | Institute For Alternative Agriculture
| |
| **** | IFAA | Institute Foundation Alumni Association
| |
| *** | IFAA | International Federation of Advertising Agencies
| |
| *** | IFAA | Isotonic Formaldehyde Acetic Acid
| |
| *** | IFAA | Indoor and Field Archery Association
| |
| *** | IFAA | International Federation of Association of Anatomists
| |
| *** | IFAA | International Fireball Association of Australia
| |
| *** | IFAA | indiana field archery association
| |
| ** | IFAA | International Federation of Actuarial Associations
| |
| ** | IFAA | International Field Archery Association
| |
| ** | IFAA | International Federation of Anatomical Associations
| |
| ** | IFAA | Institutional Financial Aid Application
| |
| ** | IFAA | International Forwarders Association of Australia
| |
| * | IFAA | International Financial Activity Act
| |
| * | IFAA | Independent Financial Advisors Association
| |
| * | IFAA | International Fairs of America Association
| |
| * | IFAA | International Festival for the Arts
| |
| * | IFAA | International Flight Attendants Association
| |
| * | IFAA | Investment Funds Association of Australia
| |
| * | IFAA | International Fraud Assessment Agency
| |
| * | IFAA | International Fund for Agricultural
| |