| Rank | Abbreviation | Meaning |
|---|
| ***** | IIPA | Indian Institute of Public Administration
| |
| ***** | IIPA | Institute of Public Administration
| |
| **** | IIPA | Institute of Photographic Arts
| |
| **** | IIPA | Iraqi Investment Promotion Agency
| |
| **** | IIPA | International Institute of Photographic Arts
| |
| *** | IIPA | Intelligence Identities Protection Act of 1982
| |
| *** | IIPA | International Institute of Tropical Agriculture
| |
| ** | IIPA | International Institute for Professional Advancement
| |
| ** | IIPA | International Institute for Professional Analysts
| |
| * | IIPA | Iraq Investment Promotion Agency
| |
| * | IIPA | International Index of Performing Arts
| |
| * | IIPA | Independent Integrated Performance Assessment
| |
| * | IIPA | Israeli International Pharmacy Association
| |
| * | IIPA | INTERNATIONAL INTELLECTUAL PROPERTY ASSOCIATION
| |
| * | IIPA | Imperial India Pale Ale
| |
| * | IIPA | International Industrial Photographers Assocation
| |
| * | IIPA | International Iridology Practitioners Association
| |
| * | IIPA | International Industrial Photographers Association
| |
| * | IIPA | International Intelectual Property Alliance
| |
| * | IIPA | Indian Institute for performing Arts
| |
| * | IIPA | Irish Interprofessional Association
| |
| * | IIPA | Institute of Photographic Authors
| |
| * | IIPA | Insite Internet Providers Association
| |
| * | IIPA | Institute of Incorporated Public Accountants
| |
| * | IIPA | Institute of Predictive Astrology
| |