| Acronym | Definition |
|---|
| NPAL➣North Pacific Acoustic Laboratory (Scripps Institution of Oceanography) |
| NPAL➣News Publishing Australia Limited (News Corp; New York, NY) |
| NPAL➣New Public Accounting Laboratory Co., Ltd. (Japan) |
| NPAL➣Nashua Police Athletic League (Nashua, NH) |
| NPAL➣North Pennines Archaeology Limited (UK) |
| NPAL➣Northern Plains Agroecosystems Laboratory (North Dakota State University) |
| NPAL➣North Port Area Library (North Port, FL) |