| Acronym | Definition |
|---|
| NP | Nanoparticle |
| NP | Nurse Practitioner |
| NP | Nepal |
| NP | National Park |
| NP | Northern Pacific |
| NP | Noun Phrase |
| NP | New Patient |
| NP | No Problem |
| NP | Not Possible |
| NP | Newport (postal code for Newport, Wales) |
| NP | Nippon Paint (Japan) |
| NP | Nuclear Power |
| NP | Neue Presse (German: Newspaper) |
| NP | Not Present |
| NP | North Pole |
| NP | Not Provided |
| NP | No Pressure |
| NP | No Point |
| NP | New Process |
| NP | No Price |
| NP | Non-Pro (hardware) |
| NP | Nobel Prize |
| NP | Nice Person |
| NP | New Plymouth (New Zealand) |
| NP | Now Playing |
| NP | No Place |
| NP | National Party |
| NP | Natalie Portman |
| NP | Notice Period |
| NP | Na Przyklad (Polish: for example) |
| NP | Nail Polish |
| NP | Neptunium |
| NP | Neopoints (Neopets) |
| NP | Net Profit |
| NP | Napalm |
| NP | Notary Public |
| NP | Null Pointer |
| NP | Ngee Ann Polytechnic (Singapore) |
| NP | North Point (place name) |
| NP | Nintendo Power (magazine) |
| NP | Network Protocol |
| NP | Nintendo Power |
| NP | New Party (Taiwan) |
| NP | Natural Phenomena |
| NP | New Providence (New Jersey) |
| NP | No Page |
| NP | Non-Public |
| NP | Nonylphenol |
| NP | Number Portability (Mobile Services) |
| NP | Neupreis (German :price if new) |
| NP | No Penis |
| NP | Nonpolar (chemistry) |
| NP | North Port (Florida) |
| NP | Negative Pressure |
| NP | Newbury Park (California) |
| NP | No Post |
| NP | New Production |
| NP | Nonproliferation |
| NP | National Product (band) |
| NP | No Pets (classified ads for rentals) |
| NP | Network Programming |
| NP | no penalty |
| NP | Network Processor |
| NP | No Picture |
| NP | Nonviolent Peaceforce |
| NP | Nondeterministic-Polynomial |
| NP | Numbering Plan |
| NP | Negative Polarity |
| NP | 1-Nitropyrene |
| NP | Neper (unit used to express ratios, such as gain, loss, and relative values) |
| NP | National President |
| NP | Network Provider |
| NP | No Parking |
| NP | No Patience |
| NP | Nature Photographer |
| NP | North Pocono (Moscow, Pennsylvania) |
| NP | Naval Prison (US Navy) |
| NP | New Paragraph (proofreading) |
| NP | Nationalista Party (Philippines) |
| NP | Nucleoside Phosphorylase |
| NP | Network Port |
| NP | National Permit (India) |
| NP | Non-Polynomial |
| NP | Non-Parity |
| NP | Neutron-Physical (physics) |
| NP | National Primary |
| NP | Nosler Partition (bullet) |
| NP | Nitro Performance (various companies) |
| NP | Norsk Petroleumsinstitutt |
| NP | Non-Deterministic Polynomial-Time (computer programming) |
| NP | Norma Portuguesa (Portuguese: Portuguese Norm) |
| NP | Neurophysin |
| NP | Nasal Polyp |
| NP | Napolean Dynamite (movie) |
| NP | Notes Payable |
| NP | Natural Parenting |
| NP | Normandy Park (Washington) |
| NP | Number of Pitches (baseball) |
| NP | Neoprint |
| NP | Nutrification Potential (semiconductors) |
| NP | Nolle Prosequi (Latin: Not Prosecute; legal motion) |
| NP | No Publisher |
| NP | NewPlayer (gaming) |
| NP | New Pence (English penny) |
| NP | No Protest |
| NP | Nicolo Paganini (classical composer and violinist) |
| NP | Nice Pass |
| NP | Network Planner |
| NP | Naturopathic Practitioner |
| NP | No Passes |
| NP | Number Pooling |
| NP | No Proceedings |
| NP | Network Protector |
| NP | NASA Publication |
| NP | NeoPets, Neopia |
| NP | Nasal Prong (airflow) |
| NP | Navigation Processor |
| NP | Nonpay |
| NP | New Production Reactor (US DOE) |
| NP | Nonpublished (number) |
| NP | Nose Plug |
| NP | Neighbourhood Park |
| NP | Nonproblematic |
| NP | Negro Please |
| NP | Namibia Post (Windhoek, Namibia) |
| NP | Occupation Newspaper (Scott Catalogue prefix; philately) |
| NP | No Pistons (referring to rotary engines) |
| NP | New Paper - Singapore |
| NP | Nerd Paradise |
| NP | Bureau of Non Proliferation (US Department of State) |
| NP | Noteworthy Practice |
| NP | Network Pause (ANSI) |
| NP | Neighborhood Processor |