| Acronym | Definition |
|---|
| ELCO➣Electronic Company |
| ELCO➣El Camino |
| ELCO➣Eastern Lebanon County (school district, Pennsylvania) |
| ELCO➣Enseignement des Langues et Cultures d'Origine (French: Teaching of Languages and Cultures of Origin) |
| ELCO➣Electrolytic Capacitor |
| ELCO➣Ecological Life and Culture Organization (Japan) |
| ELCO➣Employees Life Company (Mutual) |
| ELCO➣Early Opening Local Census Office |
| ELCO➣Evangelical Lutheran Church in Oldenburg (Germany) |