| Acronym | Definition |
|---|
| CLTS➣Community Led Total Sanitation |
| CLTS➣Connectionless-Mode Transport Service |
| CLTS➣Connectionless Transport Service |
| CLTS➣Children's Long-Term Support (Wisconsin) |
| CLTS➣Clear Task Switch Flag |
| CLTS➣Centre Lorrain des Technologies de la Santé (French: Lorrain Center of Health Technologies; Lorraine, France) |
| CLTS➣Concordia Lutheran Theological Seminary (St. Catherine's, Ontario, Canada) |
| CLTS➣Canadian Livestock Tracking System (Canada) |
| CLTS➣Contractor/Combined Life Time Support |
| CLTS➣Community Living Temiskaming South (Haileybury, Ontario, Canada) |
| CLTS➣Cis-Lunar Transportation System |