| Acronym | Definition |
|---|
| ESU➣Emporia State University (Emporia, Kansas) |
| ESU➣East Stroudsberg University (East Stroudsburg, PA, USA) |
| ESU➣English Speaking Union (London, UK) |
| ESU➣Electrosurgical Unit |
| ESU➣Eames Storage Unit (furniture) |
| ESU➣Educational Service Unit (Nebraska) |
| ESU➣Emergency Services Unit |
| ESU➣English-Speaking Union of the United States |
| ESU➣Explorer Scout Unit (various locations) |
| ESU➣Electronic Sound File |
| ESU➣Entitled Software Updates |
| ESU➣Electro Static Unit |
| ESU➣Evolutionary Significant Unit |
| ESU➣Electronic Software Update |
| ESU➣Electrical System Upgrade |
| ESU➣Electronic Support Unit |
| ESU➣Electro-Static Unit |
| ESU➣European Size Units (UK farming) |
| ESU➣Elevator Support Unit (US Navy) |
| ESU➣Ethernet Switch Unit |
| ESU➣Environnements Sécurisés des Utilisateurs (French software) |
| ESU➣Entente Sportive Usseloise (French sports club) |
| ESU➣Enterprise Support Unit |
| ESU➣Equal Support Unit (UK) |
| ESU➣Equivalent Stormwater Unit |
| ESU➣Equipment Set Up (television studio scheduling) |
| ESU➣Employer Service Unit |
| ESU➣Elite Strike Unit (gaming clan) |
| ESU➣Electronic Sequencing Unit (starts CH-47D helicopter APU) |
| ESU➣Expeditionary Surgical Unit |
| ESU➣Element Supervisor Unit |
| ESU➣Electronics Systems Support Unit (US Coast Guard) |
| ESU➣Entertainment Switching Unit |
| ESU➣Energy Studies Unit |
| ESU➣Electronic Suppression Unit |
| ESU➣Equivalent Spousal Unit |
| ESU➣Effective Single-User |
| ESU➣Environmental Simulator Unit |