| Acronym | Definition |
|---|
| IMPA➣Instituto Nacional de Matemática Pura e Aplicada (Brazil) |
| IMPA➣International Maritime Pilots' Association |
| IMPA➣Indiana Municipal Power Agency |
| IMPA➣International Motor Press Association |
| IMPA➣International Marine Purchasing Association |
| IMPA➣Intelligent Multi-Port Adapter |
| IMPA➣Internet Mission Photography Archive |
| IMPA➣Internet Media Protective Association (Lake Elsinore, CA) |
| IMPA➣Iowa Motion Picture Association |
| IMPA➣International Music Publishers' Association |
| IMPA➣Individual Market Participant Analysis |
| IMPA➣International Myopia Prevention Association (Ligonier, Pennsylvania) |
| IMPA➣Isopropyl Methyl Phosphonic Acid |
| IMPA➣Institut de Morphopsychologie Appliquée |
| IMPA➣Independent Medical Practitioners Association |
| IMPA➣Immune Mediated Polyarthritis |
| IMPA➣Indian Motion Pictures Association |
| IMPA➣Idaho Milk Processors Association |
| IMPA➣International Music Products Association |
| IMPA➣Illinois Milk Producers' Association (Bloomington, IL) |
| IMPA➣Indo-Malay Philippines Archipelago |
| IMPA➣International Master Printers Association |
| IMPA➣International Mission Photography Archive (University of Southern California; Los Angeles, CA) |
| IMPA➣Iowa Meat Processors Association |
| IMPA➣Imperial Parrot (Amazona imperialis) |
| IMPA➣Lower Incisor to Mandibular Plane |
| IMPA➣Independent Market Participant Analysis |
| IMPA➣Internet Media Publishers Association |
| IMPA➣Internet Media Publishing Associates |
| IMPA➣IMPulse Array |
| IMPA➣International Motion Picture Almanac |
| IMPA➣Independent Music Producers Association |
| IMPA➣Isopropylmethyl Phosphonic Acid |
| IMPA➣Internal Medicine for Physicians Assistant |
| IMPA➣International Marketing Promotion Alliance |
| IMPA➣Industry Mentor-Protege Association |
| IMPA➣International Milk Producers Association (Arlington, VA) |
| IMPA➣Internal Medicine & Pediatric Associates |
| IMPA➣Iterative Message Passing Algorithm |
| IMPA➣Independent Meeting Planner |
| IMPA➣Ion Microprobe Analysis |