| SPN | Portuguese Neurological Society 
| Others |
| SPN | S For Private Network
| Others |
| SPN | Saint Petersburg News
| Others |
| SPN | Saipan International Airport, Saipan, Mariana Islands
| Others |
| SPN | Schools Prayer Network
| Others |
| SPN | Scientific Pitch Notation
| Others |
| SPN | Scottish Photography Network
| Others |
| SPN | Search Partner Network
| Others |
| SPN | Secondary Privacy Number
| Others |
| SPN | Secretarido da Propaganda Nacional ( Portugal)
| Others |
| SPN | Secure Payment Network
| Others |
| SPN | Secure Private Network
| Others |
| SPN | Security Publication Number
| Others |
| SPN | Sensor Pattern Noise
| Others |
| SPN | Separation Program Number
| Others |
| SPN | Separation Program Numbers
| Others |
| SPN | Sequential Phase Number
| Others |
| SPN | Service Panel Number
| Others |
| SPN | Service Principal Name
| Others |
| SPN | Service Principal Names
| Others |
| SPN | Service Provider Name
| Others |
| SPN | Service Provider Network
| Others |
| SPN | Services Professionals Network
| Others |
| SPN | Shared Processing Network
| Others |
| SPN | Shear Plane Normal
| Others |
| SPN | Shift Pulse Network
| Others |
| SPN | Shipment Performance Notice
| Others |
| SPN | Shuttle Project Notice (KSC)
| Others |
| SPN | Signal Plus Noise
| Others |
| SPN | Signal Processor Network
| Others |
| SPN | Silicon Prairie News
| Others |
| SPN | Simple Provider Node
| Others |
| SPN | Simple Purchasing Network
| Others |
| SPN | Simplest Possible Number
| Others |
| SPN | Simply Pure Nutrients
| Others |
| SPN | Single Pole Network
| Others |
| SPN | Sistem Pendidikan Negara
| Others |
| SPN | Sitecore Partner Network
| Others |
| SPN | Small Private Network
| Others |
| SPN | Social Psychology Network
| Others |
| SPN | Sociedade Portuguesa de Neurologia
| Others |
| SPN | Society of Pediatric Nurses
| Others |
| SPN | Software Preservation Network
| Others |
| SPN | Software Project Notebook
| Others |
| SPN | Solitary Pulmonary Nodule
| Others |
| SPN | Sony Pictures Network
| Others |
| SPN | Soul Power Nutrition
| Others |
| SPN | Source Port Number
| Others |
| SPN | Spare Part Number
| Others |
| SPN | Special Paper Number
| Others |
| SPN | Special Permission Numbers
| Others |
| SPN | Special Program Number
| Others |
| SPN | Specific Procurement Notice
| Others |
| SPN | Spindle Knuckle
| Others |
| SPN | Spinner
| Others |
| SPN | Sponsor Program Notice
| Others |
| SPN | Sponsor Program Number
| Others |
| SPN | Sports Promotion Network
| Others |
| SPN | Spring Pin
| Others |
| SPN | Springfield Parents Network
| Others |
| SPN | Sprint
| Others |
| SPN | Standard Precision Navigator
| Others |
| SPN | State Policy Network
| Others |
| SPN | Stimulus Preceding Negativity
| Others |
| SPN | Stochastic Petri Net
| Others |
| SPN | Student Practical Nurse
| Others |
| SPN | Students for Professional Nursing
| Others |
| SPN | Subscriber Premises Network
| Others |
| SPN | Substitution Permutation Network
| Others |
| SPN | Successful Practices Network
| Others |
| SPN | Supernatural
| Others |
| SPN | Supernatural Putin Nevada
| Others |
| SPN | Surat Perbendaharaan Negara
| Others |
| SPN | Suspect Parameter Number
| Others |
| SPN | Sustainability Practice Network
| Others |
| SPN | Sustainability Professionals Network
| Others |
| SPN | Sustainable Poultry Network
| Others |
| SPN | Switch Panel Network
| Others |
| SPN | Symantec Protection Network
| Others |
| SPN | Synergy Park North
| Others |
| SPN | System Person Number
| Others |