| Acronym | Definition |
|---|
| IPAC | Infrared Processing and Analysis Center (NASA Caltech/JPL) |
| IPAC | Institute of Public Administration of Canada |
| IPAC | Infection Prevention and Control |
| IPAC | Israel Political Action Committee |
| IPAC | Intra-Governmental Payment and Collection System |
| IPAC | International Pharmaceutical Aerosol Consortium |
| IPAC | Indigenous Physicians Association of Canada |
| IPAC | Intelligence Center, Pacific |
| IPAC | Industrial Partnerships and Commercialization (Lawrence Livermore National Laboratory) |
| IPAC | Indiana Prosecuting Attorneys Council |
| IPAC | Information Policy Action Committee (Washington, DC) |
| IPAC | Indian Policy Advisory Committee |
| IPAC | Industrial and Professional Advisory Council |
| IPAC | Illinois Public Action Council |
| IPAC | Independent Practitioners Association Council of New Zealand (Wellington, New Zealand) |
| IPAC | Integrated Phase and Amplitude Controller |
| IPAC | Illinois Police Accreditation Coalition |
| IPAC | International Public Affairs Consultants, Inc. |
| IPAC | Instillation Personnel Administration Center |
| IPAC | International Packaging of Authentic Cuisine (Winter Springs, FL) |
| IPAC | Integrated Personnel Administration Center |
| IPAC | Interdepartmental Payments and Collections |
| IPAC | IKEA (Ingvar Kamprad Elmtaryd Agunnaryd) Performing Arts Center (Renton, WA) |