| ESSO | Earth Science Support Office 
| Others |
| ESSO | Earth System Science Organization
| Others |
| ESSO | Earth System Sciences Organization
| Others |
| ESSO | Eastern Seaboard Standard Oil
| Others |
| ESSO | Eastern Seaboard States Oil
| Others |
| ESSO | Eastern States Standard Oil
| Others |
| ESSO | Edinburgh Secondary Schools Orchestra
| Others |
| ESSO | Electronic Service Station Operator
| Others |
| ESSO | English Skills for Staff Officers
| Others |
| ESSO | Enterprise Single Sign On
| Others |
| ESSO | Enterprise Software and Services Offering
| Others |
| ESSO | Environmental Science Student Organization
| Others |
| ESSO | Environmental Science Students Organisation
| Others |
| ESSO | Epilepsy Syndrome Seizure Ontology
| Others |
| ESSO | Estonian State Symphony Orchestra
| Others |
| ESSO | European Society of Surgical Oncology
| Others |
| ESSO | Every S**ker Stops Once
| Others |
| ESSO | Every Saturday And Sunday Off
| Others |
| ESSO | Executive Support Staff Officer
| Others |
| ESSO | Exeter Student Service Organization
| Others |
| ESSO | External Search System Other
| Others |
| Esso | the enunciation of the initials S.O. in Standard Oil of New Jersey
| Others |