| Acronym | Definition |
|---|
| SLLC➣Super Long Life Coolant (Toyota) |
| SLLC➣School of Languages, Literatures and Cultures (University of Maryland) |
| SLLC➣School of Languages, Linguistics and Cultures (University of Manchester; Manchester, Lancashire, England, UK) |
| SLLC➣Sierra Leone Labor Congress |
| SLLC➣Sellafield Local Liaison Committee (UK) |
| SLLC➣State Legislative Leadership Conference (Future Farmers of America; Pennsylvania) |