| Acronym | Definition |
|---|
| ECLS➣Environmental Control and Life Support |
| ECLS➣School of Education, Communication and Language Sciences (Newcastle University; Newcastle upon Tyne, England, UK) |
| ECLS➣European China Law Studies Association (EU) |
| ECLS➣Extracorporeal Life Support |
| ECLS➣Étudiants contre le Sida (French: Students against AIDS) |
| ECLS➣European Charter of Local Self-Government (Congress of the Council of Europe) |
| ECLS➣Espace Conditionnement Logistique Service (French: Packaging Logistics Service Area) |
| ECLS➣Early Childhood Longitudinal Studies |
| ECLS➣Eau Claire Lutheran School (Eau Claire, Wisconsin) |