| Acronym | Sense | Language | Topics |
|---|---|---|---|
| SIL | Solidarité Internationale Libertaire = ILS | International Libertarian Solidarity | In English |
In French | → Organizations and associations → Political parties and movements |
| SIL | Sound Interference Level | In English | |
| SIL | Speech Interference Level | In English | |
| SIL | System Integration Laboratory | In English | → Research institutes |
| SIL | Su'aalaha Intabadan La'isweydiiyey = FAQ | Frequently Asked Questions | In English = FAQ | Foire Aux Questions | In French = POD | Plej Oftaj Demandoj | In Esperanto |
In Somali | → Science and knowledge |
|