| Acronym | Definition |
|---|
| FSP | Flexible Service Processor |
| FSP | Free State Project |
| FSP | Freedom Socialist Party |
| FSP | Fonds de Solidarité Prioritaire |
| FSP | Fiber Service Platform (ADVA Optical Networking) |
| FSP | Freeway Service Patrol |
| FSP | File Service Protocol |
| FSP | Field Sampling Plan |
| FSP | Full Service Provider |
| FSP | Forest Stewardship Program |
| FSP | Financial Service Provider |
| FSP | Family Support Plan |
| FSP | Facility Security Plan |
| FSP | St Pierre, St. Pierre And Miquelon (Airport Code) |
| FSP | Finite State Process (Java programming and documentation tool) |
| FSP | Financial Sustainability Plan (WHO) |
| FSP | Full Scale Production |
| FSP | File Slurping Protocol |
| FSP | Fragment Simulating Projectile |
| FSP | Financial Services Platform (wireless services and internet banking) |
| FSP | Free Space Photonics |
| FSP | Force Support Package |
| FSP | Female Sex Partner |
| FSP | Floating Shock Platform |
| FSP | Federated Sentient Planets (gaming) |
| FSP | Fuerza de Seguridad Pública (Public Safety Force, Honduras; also FUSEP) |
| FSP | Foreign Service Premium |
| FSP | Floridians for a Sustainable Population |
| FSP | Fibrin Split Product |
| FSP | Flight Safety Part |
| FSP | Full-Scale Prototype |
| FSP | Flight Strip Printer |
| FSP | Fishery Sector Program (Philippines) |
| FSP | Full Scope Polygraph |
| FSP | Family Support Partner |
| FSP | FemaleScienceProfessor (blog) |
| FSP | Flash Streaming Player (streaming video) |
| FSP | Fallensword Points (gaming) |
| FSP | Fire Support Plan |
| FSP | Frame Sync Polarity |
| FSP | Financial Sector Program |
| FSP | Frame Supervisory Panel |
| FSP | Fire and Security Products |
| FSP | Facility Support Plan |
| FSP | Forward Supply Point |
| FSP | Finished Screen Porch (building code) |
| FSP | Functional Specification Package |
| FSP | Facility Security Profile |
| FSP | Facility Safety Procedure |
| FSP | Fair Share Policy (multicast networks) |
| FSP | Fiber Service Provider |
| FSP | Foreign Service Pay |
| FSP | Forward Support Package |
| FSP | Facilities Solution Provider |
| FSP | fuel-sucking pig (gas guzzler) |
| FSP | Frequency-Selective Polarizer |
| FSP | Fixed Job Scheduling Problem |
| FSP | Fault Servicing Point |
| FSP | Failure Simple Path |
| FSP | Forward Support Platoon |
| FSP | Filles de St. Paul (Daughters of Saint Paul - Boston nun order) |
| FSP | Federal Stamp Program |
| FSP | Fuel Storage Point |
| FSP | Factory System Performance |
| FSP | Field Surveillance Program (Patriot missile) |
| FSP | Flight Simulator Pro 2002 (Microsoft) |
| FSP | Fournisseur de Matières Premières |
| FSP | Functional System Prototype |
| FSP | Funding Service Partner (Sprint) |
| FSP | FolsomStatePrison |