| Acronym | Definition |
|---|
| SMSS | Sms Server |
| SMSS | Session Manager Subsystem |
| SMSS | Server Management Studio Sql |
| SMSS | Session Manager Subsystem (Microsoft Windows NT) |
| SMSS | School of Medical and Surgical Sciences (UK) |
| SMSS | Sailor Moon Sailor Stars (anime) |
| SMSS | St. Margaret's Secondary School (Singapore) |
| SMSS | Send Max Segment Size |
| SMSS | Soil Mechanics Surface Sampler |
| SMSS | Schedule Management Subsystem |
| SMSS | St. Mark's Secondary School (various locations) |
| SMSS | St. Mary's School, Sagada (Philippines) |
| SMSS | Sailor Moon Super Super (anime) |
| SMSS | Sun Managed Security Services |
| SMSS | Survivable Missile Surveillance System |
| SMSS | Sailor Moon Super Senshi (anime) |