| Rank | Abbreviation | Meaning |
|---|
| ***** | SPSL | Security Policy Specification Language
| |
| ***** | SPSL | Special Protection Services Ltd
| |
| ***** | SPSL | Shasun Pharma Solutions Ltd
| |
| ***** | SPSL | Slow Pitch Softball League
| |
| ***** | SPSL | Short Period Superlattice
| |
| **** | SPSL | South Puget Sound League
| |
| **** | SPSL | Starfire Premier Soccer League
| |
| **** | SPSL | Spare Parts Selection List
| |
| **** | SPSL | Society for the Philosophy of Sex and Love
| |
| *** | SPSL | Spectra Physics Semiconductor Lasers
| |
| *** | SPSL | Simple Problem Solving Language
| |
| *** | SPSL | Shree Precoated Steels Ltd.
| |
| *** | SPSL | Society for the Protection of Science and Learning
| |
| *** | SPSL | solution products systems ltd
| |
| *** | SPSL | Shree Precoated Steels Limited
| |
| *** | SPSL | Secure and Private Socket Layer
| |
| ** | SPSL | Safety Problem Specification Language
| |
| ** | SPSL | State Public Scientific Library
| |
| ** | SPSL | Single Point Source Laser
| |
| ** | SPSL | Southern Premier Soccer League
| |
| ** | SPSL | Solution Products Systems Limited
| |
| ** | SPSL | Saint Paul Street Library (Baltimore, MD)
| |
| ** | SPSL | Scottish Piping Society of London
| |
| ** | SPSL | Special-Purpose Simulation Language
| |
| * | SPSL | Security Printing Systems Limited
| |