| N&P | Norwich and Peterborough Building Society 
| Others |
| N/P | No Problem
| Others |
| N/P | Not Provided
| Others |
| NP | N protein
| Others |
| NP | Naddler Pelosi
| Others |
| NP | Nakashima Performance
| Others |
| NP | Named Perils
| Others |
| NP | Nancy imPeachless
| Others |
| NP | Nancy Pathetic
| Others |
| NP | Nancy Payless
| Others |
| NP | Nancy Pelooser
| Others |
| NP | Nancy Pelosi's sidewalk cuisine recipe book
| Others |
| NP | Nancy Pestilence
| Others |
| NP | Nancy Petlitter
| Others |
| NP | Nancy Petloser
| Others |
| NP | Nancy Plasticface
| Others |
| NP | Nancy Please stop
| Others |
| NP | Nancy Pleaselose
| Others |
| NP | Nancy POOlosie
| Others |
| NP | Nancy Porklosie
| Others |
| NP | Nancy Powerless
| Others |
| NP | Nancy PublicLiar
| Others |
| NP | Nancy Pulls left
| Others |
| NP | Nancy PulseLess
| Others |
| NP | Nancy's hairPocracy
| Others |
| NP | Nancy's Pad leaks
| Others |
| NP | Nancy's Port-O-Let Rice-A-Roni
| Others |
| NP | Nancy's Port-O-Lets by the bay
| Others |
| NP | Nancy's Privilege
| Others |
| NP | Nannofossils Paleogene
| Others |
| NP | Nanoparticles Page
| Others |
| NP | Narcissistic Parent
| Others |
| NP | Narcisstic Pelosi
| Others |
| NP | Nasal Pack
| Others |
| NP | Nasal Polyp
| Others |
| NP | nasopharyngeal
| Others |
| NP | Nasopharynx
| Others |
| NP | Nasty Pestylice
| Others |
| NP | Nasty Petlitter
| Others |
| NP | National Park
| Others |
| NP | National Party
| Others |
| NP | National Party (Pakistan)
| Others |
| NP | National Priorities
| Others |
| NP | National Program
| Others |
| NP | National Programme
| Others |
| NP | Nationalist Party
| Others |
| NP | Natriuretic Peptide
| Others |
| NP | Naturopathic Physician
| Others |
| NP | nd PA
| Others |
| NP | Near Pass
| Others |
| NP | Neck Pain
| Others |
| NP | Needle Punch
| Others |
| NP | Neo Process
| Others |
| Np | neper
| Others |
| NP | Neptunium
| Element |
| NP | Nerve Palsy
| Others |
| NP | Net Profit
| Others |
| NP | Netscape Plugin
| Others |
| NP | Network Performance
| Others |
| NP | Network Port
| Others |
| NP | Network Processors
| Others |
| NP | Network Program
| Others |
| NP | Neural Plate
| Others |
| NP | Neuritic Plaque
| Others |
| NP | Neuropathic Pain
| Others |
| NP | NeuroPathology
| Others |
| NP | neuropathy
| Others |
| NP | neuropeptide
| Others |
| NP | neuropsychiatric
| Others |
| NP | New Page
| Others |
| NP | New Paragraph
| Others |
| NP | New Patient
| Others |
| NP | New Plymouth
| Others |
| NP | New Primitive
| Others |
| NP | New Programs
| Others |
| NP | New Protocol
| Others |
| NP | New Providence
| Others |
| NP | Next Prime
| Others |
| NP | Nickel-Plated
| Others |
| NP | Nicolas Pitre
| Others |
| NP | Niemann-Pick
| Others |
| NP | Nissan Pickup
| Others |
| NP | Nitrogen-Phosphorus
| Others |
| NP | nitroprusside
| Others |
| NP | No Paint
| Others |
| NP | No Paper
| Others |
| NP | No Parking
| Others |
| NP | No Participation
| Others |
| NP | No Party
| Others |
| NP | No Password
| Others |
| NP | No Patience
| Others |
| NP | No Pets
| Others |
| NP | No Phosphate
| Others |
| NP | No Phosphorus
| Others |
| NP | No Picture
| Others |
| NP | No Pie
| Others |
| NP | No Pin
| Others |
| NP | No Place
| Others |
| NP | No Please
| Others |
| NP | No Point
| Others |
| NP | No Post
| Others |
| NP | No Privelege
| Others |
| NP | No Protest
| Others |
| NP | No Publisher
| Others |
| NP | Node Points
| Others |
| NP | Non Partisan
| Others |
| NP | Non Pensionable
| Others |
| NP | Non Plastic
| Others |
| NP | Non Polynomial
| Others |
| NP | Non Portable
| Others |
| NP | Non Production
| Others |
| NP | Non Profit
| Others |
| NP | Non Proportional
| Others |
| NP | Non Public
| Others |
| NP | Non-Principal
| Others |
| NP | nonapeptide
| Others |
| NP | Nondeterminictic Polynomial
| Others |
| NP | Nondeterministic Poly
| Others |
| NP | Nondeterministic Polynomial
| Others |
| NP | Nondeterministic Polynomial time
| Others |
| NP | Nondeterministically Polynomial
| Others |
| NP | Nonhistone Protein
| Others |
| NP | nonparametric
| Others |
| NP | Nonproliferation
| Others |
| NP | NoPulse Pelosi
| Others |
| NP | Normal Probability
| Others |
| NP | Normal-Phase
| Others |
| NP | North Pacific
| Others |
| NP | North Point
| Others |
| NP | North Point, Hong Kong
| Others |
| NP | Northern Pacific
| Others |
| NP | Northern Pacific Railway (BNSF Railway)
| Others |
| NP | Nosocomial Pneumonia
| Others |
| NP | Not Paginated
| Others |
| NP | Not Palpable
| Others |
| NP | Not Pertinent
| Others |
| NP | Not Polynomial
| Others |
| NP | Not Portable
| Others |
| NP | Not Present
| Others |
| NP | Not Process
| Others |
| NP | Notary Public
| Others |
| NP | Note Please
| Others |
| NP | Note Principal
| Others |
| NP | Nothing Potentional
| Others |
| NP | Notification Period
| Others |
| NP | Noun Phrase
| Others |
| NP | Novy Prostor
| Others |
| NP | Now Playing
| Others |
| NP | Nuclear Protein
| Others |
| NP | Nucleoside Phosphorylase
| Others |
| NP | Nucleotide Pair
| Others |
| NP | Nucleotide Protein
| Others |
| NP | Nucleus Plugin
| Others |
| NP | Nucleus Pulposus
| Others |
| NP | Number of Pitches
| Others |
| NP | Number Pad
| Others |
| NP | Number Portability
| Others |
| NP | Numbering Plan
| Others |
| NP | Nurse Practioner
| Others |
| NP | Nurse Practitioners
| Others |
| NP | Project schedule (Nokia Planner) (Visual Planner 3.x)
| Others |
| NP | The Negation Of P
| Others |
| NP | The Number Of Points
| Others |