| Acronym | Definition |
|---|
| PNR➣Parc Naturel Régional (French: Regional Nature Park) |
| PNR➣Paranormal Romance (literary genre) |
| PNR➣Partner |
| PNR➣Passenger Name Record (airlines) |
| PNR➣Place and Route (software engineering) |
| PNR➣Philippine National Railways |
| PNR➣Photo Noise Reduction |
| PNR➣Peak to Noise Ratio |
| PNR➣Palmtop News Reader |
| PNR➣Policía Nacional Revolucionaria (Cuban police) |
| PNR➣Point of No Return |
| PNR➣Prairie and Northern Region (Canada) |
| PNR➣Polymerase Chain Reaction |
| PNR➣Passive Noise Reduction |
| PNR➣Pinelands National Reserve (New Jersey) |
| PNR➣Production Non-Recurring (engineering) |
| PNR➣Polarized Neutron Reflectivity |
| PNR➣Prior Notice Required |
| PNR➣Pointe Noire, Congo - Pointe Noire (Airport Code) |
| PNR➣Partner Network Recruitment |
| PNR➣Prudential Network Realty |
| PNR➣Party of the New Republic (Iraqi political group) |
| PNR➣Plug and Run |
| PNR➣Part Number Request |
| PNR➣Proved Name Registration |
| PNR➣Preliminary Negotiation Reports (US Navy) |
| PNR➣Private Network Route |
| PNR➣Passenger Numerical Roll |
| PNR➣Passenger Number of Requisition |
| PNR➣Publication Number Request |
| PNR➣Project Narrative Report |