| Acronym | Definition |
|---|
| NIPAC | National IPA (India Pale Ale) Championships |
| NIPAC | National Influenza Pandemic Action Committee (Australia) |
| NIPAC | Northern Indiana Packaging |
| NIPAC | National Injury Prevention Advisory Council (Australia) |
| NIPAC | Netherlands-Israel Public Affairs Committee |
| NIPAC | National Independent Physician Association Coalition |
| NIPAC | Northern Illinois Police Accreditation Coalition (now Northern Illinois Police Accreditation Coalition) |
| NIPAC | New Ireland Provincial AIDS Committee |
| NIPAC | Nigerian Political Action Committee |
| NIPAC | Northern Ireland Public Accounts Committee (UK) |
| NIPAC | Northwestern Israel Public Affairs Committee (now Students For Israel) |
| NIPAC | Northern Indiana Project Athena Consortium |
| NIPAC | National and International Public Affairs Consulting |
| NIPAC | National Instrument for Pre-Accession Assistance Coordinator (EU) |
| NIPAC | Naval Intelligence Professionals Advanced Course (US DoD) |
| NIPAC | National Indigenous Performing Arts Company (Australia) |
| NIPAC | NICE Interventional Procedures Advisory Committee (National Institute of Clinical Excellence) |