| Acronym | Definition |
|---|
| ESN➣Erasmus Student Network (Europe) |
| ESN➣Electronic Serial Number |
| ESN➣Entreprise de Services du Numérique (French: Digital Service Company) |
| ESN➣Equipment Serial Number (cellular) |
| ESN➣Enterprise Social Networking |
| ESN➣Engine Serial Number |
| ESN➣Engineering Services Network |
| ESN➣Emergency Service Number |
| ESN➣European Social Network |
| ESN➣Electronic Security Number |
| ESN➣Eclipse Security Network |
| ESN➣Enterprise Service Network |
| ESN➣Energy Sciences Network (Sprint) |
| ESN➣Educationally Sub-Normal (UK) |
| ESN➣Enterprise Storage Network |
| ESN➣Electronic Switched Network |
| ESN➣Eclipse Security Network (electronics) |
| ESN➣European Securities Network |
| ESN➣Entente Sportive Nanterre (French sports club) |
| ESN➣Epilepsy Specialist Nurse |
| ESN➣Entertainment and Sports Network |
| ESN➣Euro Style Nymphing (fishing rod) |
| ESN➣Elysian Space Navy (Honor Harrington science fiction novels) |
| ESN➣Entente Sportive Nogentaise (French sports club) |
| ESN➣English-Speaking Nation |
| ESN➣Earthstewards Network |
| ESN➣Enterprise Services for NFuse (software) |
| ESN➣European Services Network (industry federation) |
| ESN➣Étoile Sportive de Nouaillé (French sports club) |
| ESN➣Étoile Sportive Nouzilly (French sports club) |
| ESN➣Employed Student Nurse (Canada) |
| ESN➣Electronic Signage Network |
| ESN➣Essential Services Node |
| ESN➣Electronic Sports Network |
| ESN➣EOSDIS Science Network |
| ESN➣Electrical Symbol Number |
| ESN➣Eric Sookie Nookie (True Blood fan term) |