SMLS
| Acronym | Definition |
|---|---|
| SMLS | Seamless |
| SMLS | Strategic Management Learning System |
| SMLS | Social Media Law Student (blog) |
| SMLS | Southern Migrant Legal Services (Texas RioGrande Legal Aid, Inc.; Nashville, TN) |
| SMLS | St. Michael Lutheran School (various locations) |
| SMLS | Southern Maryland Link System (amateur radio) |
| SMLS | Shelterized Microwave Landing System |
| SMLS | Saint Mildred's Lightbourn School (Canada) |