| Rank | Abbreviation | Meaning |
|---|
| ***** | SPER | Socio-Psycho Educational Resource
| |
| ***** | SPER | Solid Phase Epitaxial Regrowth
| |
| ***** | SPER | State Penalties Enforcement Registry
| |
| ***** | SPER | Status, Performance and Exception Reporting
| |
| ***** | SPER | Service Public de l'Emploi Régional
| |
| ***** | SPER | Society for Pediatric and Perinatal Epidemiologic Research
| |
| **** | SPER | Society for Pediatric Epidemiologic Research
| |
| **** | SPER | Security Plan Evaluation Report
| |
| *** | SPER | South Penn Enduro Riders
| |
| *** | SPER | Servis Profesionalne Elektronike Rajak
| |
| *** | SPER | Spergularia sp.
| |
| * | SPER | South Pacific Electric Railway
| |
| * | SPER | State Penalties Enforcement Register
| |
| * | SPER | Soil Plant Environment Research
| |
| * | SPER | Strategic Planning Executive Review
| |
| * | SPER | Southwest Private Equity Round
| |
| * | SPER | SPERTI DRUG PRODUCTS, INC.
| |