| Acronym | Definition |
|---|
| ESCA➣Electron Spectroscopy for Chemical Analysis |
| ESCA➣Escaflowne (anime series) |
| ESCA➣Environmental Services Cooperative Agreement (Fort Ord; California) |
| ESCA➣Escuela Superior de Comercio y Administración (México) |
| ESCA➣Emergency Services Coordinating Agency |
| ESCA➣European Speech Communication Association |
| ESCA➣El Shaddai Christian Academy (various locations) |
| ESCA➣Exhibition Services & Contractors Association (US) |
| ESCA➣English Speaking Cancer Association (Geneva, Switzerland) |
| ESCA➣Exposition Service Contractors Association |
| ESCA➣Elective Site Cleanup Agreement (Arkansas) |
| ESCA➣Eritrean Solidarity and Cooperation Association (UN) |
| ESCA➣Egyptian Society of Crystallography and Its Applications |
| ESCA➣Egyptian Supreme Council of Antiquities |
| ESCA➣Empire State Consumer Association |