| ESO | Earth Space Offensive 
| Others |
| ESO | Ecological Services Outsourcing
| Others |
| ESO | Economics Student Organization
| Others |
| ESO | ECORD Science Operator
| Others |
| ESO | Edge Slot Orient
| Others |
| ESO | Educacion Secundaria Obligatoria
| Others |
| ESO | Elder Scrolls Online
| Others |
| ESO | Elders Scrolls Online
| Others |
| ESO | Elgin Symphony Orchestra
| Others |
| ESO | Embarkation Staff Officer
| Others |
| ESO | Emergency Support Office
| Others |
| ESO | Employee Stock Option
| Others |
| ESO | Employee stock options
| Others |
| ESO | Employment Services and Operations
| Others |
| ESO | Employment Services Operations
| Others |
| ESO | Engine Shut Off
| Others |
| ESO | Engineering Services Outsourcing
| Others |
| ESO | Engineering Sign Off
| Others |
| ESO | English Study Online
| Others |
| ESO | Ensemble Studios On-line
| Others |
| ESO | Entomological Society of Ontario
| Others |
| ESO | Entrepreneur Support Organization
| Others |
| ESO | Environmental Science Officer
| Others |
| ESO | Environmental Sciences Organization
| Others |
| ESO | Environmental Student Organization
| Others |
| ESO | Environmentally Sustainable Objects
| Others |
| ESO | Epsilon Sigma Omicron
| Others |
| ESO | Equation Set Object
| Others |
| ESO | Equipment Smarter Operator
| Others |
| ESO | Equipment Superior To Operator
| Others |
| ESO | Erin Street Orphans
| Others |
| ESO | Escuela Secundaria Obligatoria
| Others |
| ESO | ESDIS Standards Office
| Others |
| ESO | Esotericism Secret Theory
| Others |
| ESO | Espanola, New Mexico
| Others |
| ESO | essentially surjective on
| Others |
| ESO | Estimated Sign Off
| Others |
| ESO | Ether Saga Odyssey
| Others |
| ESO | European School of Oncology
| Others |
| ESO | European School Oncology
| Others |
| ESO | European Semester Officer
| Others |
| ESO | European Southern Observatory
| Others |
| ESO | European Sport Option
| Others |
| ESO | European Standardization Organization
| Others |
| ESO | European Standardization Organizations
| Others |
| ESO | European Standards Organization
| Others |
| ESO | Event Sequence Override
| Others |
| ESO | Evolutionary Structural Optimization
| Others |
| ESO | Excel Sports Officiating
| Others |
| ESO | Expanding Sociability Oppor
| Others |
| ESO | External Security Organisation
| Others |