| IPAA | Idaho Prosecuting Attorneys Association 
| Others |
| IPAA | Ileal Pouch Anal Anastomosis
| Others |
| IPAA | Illinois Public Airport Association
| Others |
| IPAA | Illinois Public Airports Association
| Others |
| IPAA | Independent Petroleum
| Others |
| IPAA | Independent Petroleum Association of
| Others |
| IPAA | Independent Petroleum Association of America
| Others |
| IPAA | Institute of Public Administration Australia
| Others |
| IPAA | Instrument for Pre Accession Assistance
| Others |
| IPAA | Insurance Provider Assessment Act
| Others |
| IPAA | Integrated Planning Assessment and Action
| Others |
| IPAA | Intellectual Property Attache Act
| Others |
| IPAA | International Paranormal Acknowledgement Award
| Others |
| IPAA | International Paranormal Acknowledgmeent Award
| Others |
| IPAA | International Partnership Against AIDS
| Others |
| IPAA | International Performing Arts Academy
| Others |
| IPAA | Iowa Public Airports Association
| Others |
| IPAA | Iranian Psychological Association of America
| Others |