| Acronym | Definition |
|---|
| ESSU➣Eastern Samar State University (Borongan, Philippines) |
| ESSU➣Essential Skills Support Unit (Hampshire, UK) |
| ESSU➣English Smallbore Shooting Union |
| ESSU➣Education Sector Strategy Update (World Bank) |
| ESSU➣Electric Shaver Supply Unit |
| ESSU➣Explorer Sea Scout Unit |