| Acronym | Definition |
|---|
| NAL | National Agricultural Library (Agricultural Research Service; US Department of Agriculture) |
| NAL | New American Library |
| NAL | North American Lighting, Inc. (Paris, IL) |
| NAL | National Aerospace Laboratories (India) |
| NAL | Notice of Apparent Liability |
| NAL | Network Abstraction Layer |
| NAL | Novell Application Launcher |
| NAL | National Aerospace Laboratory (Japan) |
| NAL | Nalchik (Russia) |
| NAL | Narrow Absorption Line |
| NAL | National Academic League |
| NAL | Network Abstraction Layer (platform-independent application development) |
| NAL | North American League (hockey) |
| NAL | Novell Application Launcher (Novell) |
| NAL | National Accelerator Laboratory |
| NAL | National Acoustic Laboratories (Australia) |
| NAL | Nippon Association for Librarianship (Japan) |
| NAL | Network Adaptation Layer |
| NAL | NetWare Application Launcher |
| NAL | Nurse Advise Line (various organizations) |
| NAL | National Aeronautics Laboratory (Bangalore, India) |
| NAL | Native American Liaison (various organizations) |
| NAL | Norske Agenters Landsforbund (Federation of Norwegian Commercial Agents) |
| NAL | Normal Actuation Level |
| NAL | No Account Loser |
| NAL | Natural Attractions Jewelry (Canada) |
| NAL | Naval Air Logistics |
| NAL | Nippon Aluminium Corporation (Japan) |