| Acronym | Definition |
|---|
| FPN | Fountain Pen Network (forum) |
| FPN | Faculté Pluridisciplinaire de Nador (French: Multidisciplinary School of Nador; Nador, Morocco) |
| FPN | Floating Point Notation |
| FPN | Fixed Pattern Noise |
| FPN | Fixed Price Notification |
| FPN | Fixed Pattern Noise (variation of the pixel response at one moment of an image sensor in the dark) |
| FPN | Fixed Penalty Notice (UK law enforcement) |
| FPN | Federação Portuguesa de Naturismo (Portuguese: Portuguese Naturist Federation) |
| FPN | Fair Processing Notice |
| FPN | Fine Print Note |
| FPN | Fundación Patagonia Natural |
| FPN | Front Patriotique Nigérien (French: Nigerien Patriotic Front) |
| FPN | Feminist Peace Network |
| FPN | Fifty-Plus.net International Inc (stock symbol) |
| FPN | Floating Point Number |
| FPN | Fonds des Projets Nationaux (French: National Projects Fund; Canada) |
| FPN | Fundacion de Parques Nacionales (Spanish: National Parks Foundation) |
| FPN | Final Physical Notification (UK) |
| FPN | Federation of Pharmacy Networks |
| FPN | Find Professionals Now (St. Paul, MN) |
| FPN | Finger Print Number (Oregon) |
| FPN | Ford Parenting Network |
| FPN | Federal Part Number |
| FPN | Fixed Pulse Radar Navigation Aid |
| FPN | Federal Pollution Number |
| FPN | Floating Participating Note |
| FPN | Floach.pimpin.net |
| FPN | Family Practice Network |
| FPN | Financial Privacy Now (Consumers Union campaign) |