| SMMS | Mexican Society of Soil Mechanics 
| Others |
| SMMS | Sammy McClure Middle School
| Others |
| SMMS | Samuel Morse Middle School
| Others |
| SMMS | San Marcos Middle School
| Others |
| SMMS | Scofield Magnet Middle School
| Others |
| SMMS | Scott Memorial Middle School
| Others |
| SMMS | Sendmail Mobile Message Server
| Others |
| SMMS | Ships Maintenance Management System
| Others |
| SMMS | Sierra Madre Middle School
| Others |
| SMMS | Silverlake Maintenance Management System
| Others |
| SMMS | Small Multi Mission Satellite
| Others |
| SMMS | Smart's Mill Middle School
| Others |
| SMMS | Social Media Management Software
| Others |
| SMMS | Social Media Management Solution
| Others |
| SMMS | Social Media Management System
| Others |
| SMMS | Social Media Management Systems
| Others |
| SMMS | Social Media Managing System
| Others |
| SMMS | Social Media Marketing Solutions
| Others |
| SMMS | Sodalitas Mariae Matris Sacerdotum
| Others |
| SMMS | Soldiers Memorial Middle School
| Others |
| SMMS | South Marshall Middle School
| Others |
| SMMS | South Meadows Middle School
| Others |
| SMMS | South Milwaukee Middle School
| Others |
| SMMS | South Mountain Middle School
| Others |
| SMMS | Spatial Metadata Management System
| Others |
| SMMS | Spring Mills Middle School
| Others |
| SMMS | St Margaret Mary School
| Others |
| SMMS | St Martin Middle School
| Others |
| SMMS | St Mary Magdalen School
| Others |
| SMMS | St Marys Middle School
| Others |
| SMMS | Standard Maintenance Management System
| Others |
| SMMS | Statewide Model Management System
| Others |
| SMMS | Stem Magnet Middle School
| Others |
| SMMS | Strength Maintenance Management System
| Others |
| SMMS | Student Money Management Services
| Others |
| SMMS | Sudbrook Magnet Middle School
| Others |
| SMMS | Super Mecha Madness Show
| Others |
| SMMS | Support Maintenance Management System
| Others |