| Acronym | Definition |
|---|
| NAPPS➣National Association of Professional Process Servers |
| NAPPS➣National Association of Professional Pet Sitters |
| NAPPS➣National Association for the Preservation and Perpetuation of Storytelling |
| NAPPS➣North American Post-Poliomyelitis Pyridostigmine Study |
| NAPPS➣National Association of Parent Partnership Staff (UK) |
| NAPPS➣Narcolepsy Action for Positive and Practical Solutions (patient support group; UK) |