SLLA
| Acronym | Definition |
|---|---|
| SLLA | School Leaders Licensure Assessment |
| SLLA | Second Life Liberation Army (online gaming political group) |
| SLLA | Sri Lanka Library Association |
| SLLA | Source Link-Layer Address |
| SLLA | Seven Lakes Landowners Association (North Carolina) |
| SLLA | South London Lettering Association (UK) |