| Rank | Abbreviation | Meaning |
|---|
| ***** | SPPP | Semantic Personal Publishing Platform
| |
| ***** | SPPP | Solar Pond Power Plant
| |
| ***** | SPPP | Sprott Physical Platinum and Pa (American Stock Exchange [AMEX])
| |
| **** | SPPP | Stormwater Pollution Prevention Plan
| |
| *** | SPPP | Society of Psychologists in Private Practice
| |
| *** | SPPP | Session Peering Provisioning Protocol
| |
| *** | SPPP | skin peripheral perfusion pressure
| |
| *** | SPPP | Society of Portrait Photographers of the Philippines
| |
| *** | SPPP | St Paul Pioneer Press
| |
| *** | SPPP | Signum Pro Poly Plasma
| |
| ** | SPPP | Science and Public Policy Program
| |
| ** | SPPP | Sierra Planet Polls Prove
| |
| ** | SPPP | Standard Purchase Protection Program
| |
| ** | SPPP | South Platte Protection Plan
| |
| ** | SPPP | Second Parallel Printer Port
| |
| ** | SPPP | Sports Partnership Promotion Programme
| |
| * | SPPP | Spacelab Payloads Processing Project
| |
| * | SPPP | Studies in Platonic Political Philosophy
| |
| * | SPPP | Saint Paul Pioneer Press
| |
| * | SPPP | Some Pro nuclear Power Propagand
| |