| ESSA | Earthfriendly and Self Sufficient Architecture 
| Others |
| ESSA | Economic Society of South Africa
| Others |
| ESSA | Edith Sheryl Sophia and Ava
| Others |
| ESSA | Education Support Staff Association
| Others |
| ESSA | Ekonomiese Vereniging van Suid-Africa
| Others |
| ESSA | Electric Smart Secure Architecture
| Others |
| ESSA | Elementary School Science Association
| Others |
| ESSA | Energy Smart Solution Advisor
| Others |
| ESSA | English Schools Swimming Association
| Others |
| ESSA | English Secondary Students Association
| Others |
| ESSA | Enterprise Suite for Sandbox Administration
| Others |
| ESSA | Environmental Science Services Administration
| Others |
| ESSA | Environmental Science Students Association
| Others |
| ESSA | Environmental Sciences Services Administration
| Others |
| ESSA | Environmentally Sensitive Sea Areas
| Others |
| ESSA | Eureka Springs School of Art
| Others |
| ESSA | Eureka Springs School of the Arts
| Others |
| ESSA | European Sport Security Association
| Others |
| ESSA | Every Student Succeed Act
| Others |
| ESSA | Every Student Succeeds Act
| Others |
| ESSA | Excusing States for Student Abandonment
| Others |
| ESSA | Exercise Science Students Association
| Others |
| ESSA | Stockholm Arlanda Airport, S-Sweden
| Others |