| Acronym | Definition |
|---|
| ESEI | Escola Superior de Enxeñería Informática (Galician: Graduate School of Computer Engineering; Spain) |
| ESEI | Étoile Sportive Entressen-Istres (French sports club) |
| ESEI | EcoSystems Environmental, Inc. (Carrollton, TX) |
| ESEI | Experts en Sûreté pour l'Entreprise à l'International (French crisis management company) |
| ESEI | Entretien Service des Espaces Immobiliers (French property maintenance company) |
| ESEI | Environmental Systems Engineering Institute |
