| Acronym | Definition |
|---|
| CLLS➣City of London Law Society |
| CLLS➣Canadian Lakes Loon Survey (research program; Canada) |
| CLLS➣Captains Lighthouse Logistical Services (Whitney TX) |
| CLLS➣Closed Loop Life Support |
| CLLS➣Centre for Language and Linguistic Studies |
| CLLS➣Captains Lighthouse and Lighthouse Services (Missouri City, TX) |
| CLLS➣Cells of Limited Life Span (gastrointestinal cancer) |