| Acronym | Definition |
|---|
| NAPA | National Asphalt Pavement Association |
| NAPA | National Automotive Parts Association |
| NAPA | National Adaptation Programme of Action |
| NAPA | No Apto Para Adultos (Spanish: Not for Adults) |
| NAPA | News and Public Affairs (various organizations) |
| NAPA | National Academy of Public Administration |
| NAPA | National Association for the Practice of Anthropology |
| NAPA | Network Application Performance Analysis |
| NAPA | National Association of Professional Agents (insurance) |
| NAPA | North Adriatic Ports Association (seaports) |
| NAPA | National Academy of Performing Arts (Pakistan) |
| NAPA | National Academy of Political Awareness (Karachi, Pakistan) |
| NAPA | National Amateur Press Association |
| NAPA | Natural Area Preservation Association (Texas) |
| NAPA | Network Application Performance Analysis (Cisco) |
| NAPA | National Alzheimer's Project Act of 2011 |
| NAPA | National Association for Photographic Art (Canada) |
| NAPA | Naval Architectural Package (Software Package) |
| NAPA | Nebraska Academy of Physician Assistants |
| NAPA | Naval Association of Physician Assistants |
| NAPA | North American Partners in Anesthesia |
| NAPA | North Atlantic Ports Association |
| NAPA | National Allowance Pricing Agreement |
| NAPA | Niagara Antique Power Association |
| NAPA | Natural Areas Protection Act (Canada) |