| Acronym | Definition |
|---|
| NAPD | North American Pollen Database (Illinois State Museum) |
| NAPD | No Acute Pulmonary Disease |
| NAPD | New Advances for People with Disabilities (Bakersfield, CA) |
| NAPD | New Aircraft Process Document (US FAA) |
| NAPD | National Academy of Police Diving (est. 1988) |
| NAPD | National Association of Pallet Distributors (UK) |
| NAPD | National Academy for Professional Driving |
| NAPD | North Aurora Police Department (Illinois) |
| NAPD | National Association of Police Divers |
| NAPD | North American Pile Driving Inc. (North American Construction Group) |