| Acronym | Definition |
|---|
| NIP | Nipple |
| NIP | Neural Information Processing |
| NIP | National Immunization Program |
| NIP | Nude in Public |
| NIP | Nothing in Particular |
| NIP | Numer Identyfikacji Podatkowej (Polish: Tax Identification Number) |
| NIP | National Intelligence Program |
| NIP | New in Package (collectors; auctions) |
| NIP | Network Inference and Prediction |
| NIP | Non Impact Printer |
| NIP | Networks in Package |
| NIP | Network Interface Plug-in |
| NIP | Nitro Interconnect Protocol |
| NIP | New Industrial Policy (economic development) |
| NIP | National Indicative Programme |
| NIP | Notice of Intended Prosecution (UK) |
| NIP | Nursing in Public |
| NIP | Neighborhood Investment Program (various locations) |
| NIP | Non-Injurious Price (trade) |
| NIP | Nutritional Information Panel (various locations) |
| NIP | Neighborhood Improvement Program |
| NIP | Normal Incidence Pyrheliometer (meteorology) |
| NIP | Ninjas in Pyjamas (gaming; Sweden) |
| NIP | Naval Intelligence Professionals |
| NIP | National Immigration Project (Boston, MA) |
| NIP | Nurse Intern Program (military training) |
| NIP | Network Information Project (now Nuclear Information Service; UK) |
| NIP | Nucleus Initialization Program (IBM) |
| NIP | Non-Internet Public (Federal Energy Regulatory Commission) |
| NIP | New Ireland Province |
| NIP | National Implementation Plan for the War on Terror |
| NIP | Network Implementation Plan |
| NIP | Numismatici Italiani Professionisti |
| NIP | Nuke Integration Project (open source software) |
| NIP | No Information Provided |
| NIP | Negative Inspiratory Pressure |
| NIP | Number Identification Presentation |
| NIP | Natural Interest Person (US DoD) |
| NIP | Nitro Interconnect Protocol (Cisco) |
| NIP | Net Income Percentage |
| NIP | Notice of Intelligence Potential |
| NIP | Network Input Processor |
| NIP | NATO Interoperability Plan |
| NIP | Nuclear Intelligence Panel |
| NIP | Negative Ion Plasma |
| NIP | New Ideas Program |
| NIP | Near-Term Improvement Program |
| NIP | Neoplasia Intra-Epitelial do Pénis (Portugese) |
| NIP | Notice of Intent To Purchase |
| NIP | New Investment Programme |
| NIP | Numero de Identification Personel |
| NIP | Notice of Intent to Plead |