| Acronym | Definition |
|---|
| IPAA | Instrument for Pre-Accession Assistance (EU) |
| IPAA | Independent Petroleum Association of America |
| IPAA | Institute of Public Administration Australia |
| IPAA | Ileal Pouch-Anal Anastomosis |
| IPAA | International Plan of Action on Ageing (UN) |
| IPAA | International Performing Arts Academy (Los Angeles, CA) |
| IPAA | International Partnership Against AIDS in Africa |
| IPAA | Insurance Portability and Accountability Act |
| IPAA | Investment Project Analysis & Appraisal (Smart China Consulting Co.Ltd; Beijing, China) |
| IPAA | International Patient Advocacy Association |
| IPAA | Idaho Prosecuting Attorneys' Association |
| IPAA | Idaho Precision Ag Association |