| Acronym | Definition |
|---|
| SES | Senior Executive Service (US government) |
| SES | Single European Sky (air navigation; EU) |
| SES | Socioeconomic Status |
| SES | Supplemental Educational Services |
| SES | State Emergency Service (Australian Volunteer Organisation) |
| SES | Standards Engineering Society |
| SES | Senior Experten Service (Germany) |
| SES | SCSI Enclosure Services |
| SES | Societe Europeenne des Satellites |
| SES | Servicio Extremeño de Salud |
| SES | Stock Exchange of Singapore |
| SES | Sirolimus-Eluting Stent |
| SES | Subsecretaria de Educacion Superior (Spanish) |
| SES | Service Engine Soon (automotive) |
| SES | Small Edison Screw (type of cap on electric bulb) |
| SES | Smart Enterprise Suite (elearning) |
| SES | Secure Easy Setup (Linksys) |
| SES | Satellite Earth Stations and Systems |
| SES | School of Environmental Studies (Apple Valley, MN) |
| SES | Surface Effect Ship |
| SES | Self Efficacy Scale |
| SES | Smile Empty Soul (band) |
| SES | Ship Earth Station (INMARSAT) |
| SES | Saskatchewan Environmental Society (Canada) |
| SES | Suez Energy Services |
| SES | Specialist Education Services (New Zealand) |
| SES | Systems Engineering Services |
| SES | School of English Studies |
| SES | Shared Energy Savings |
| SES | Scientific and Engineering Software |
| SES | Steam Electric Station |
| SES | Sea Eugene Shoo |
| SES | Solidarische Einfachsteuer (German: solidary single tax ) |
| SES | Single Exponential Smoothing |
| SES | Software Engineering Support |
| SES | Secondary Emissions Standard |
| SES | Scandinavian Electric Systems AS |
| SES | Specialist Electronics Services Ltd (UK) |
| SES | Saskatoon Engineering Society |
| SES | Simple Exponential Smoothing |
| SES | Severely Error Seconds |
| SES | Space Environment Simulator |
| SES | Smyrna Elementary School (Smyrna, Delaware) |
| SeS | Semantic e-Science (Workshop) |
| SES | Source End System |
| SES | Department of Social and Economic Studies (University of Bradford) |
| SES | Sustainable Energy Standard |
| SES | Sunnyside Environmental School (Portland, OR) |
| SES | Service Entrance Section (electrical) |
| SES | Seaford Elementary School |
| SES | Stirling Engine System |
| SES | Seatla Esperanto-Societo (Seattle Esperanto Society; formerly Societo Esperantista de Seattle) |
| SES | Selected Educational Statistics (India) |
| SES | Senior Executive Schedule |
| SES | Sevenson Environmental Services, Inc (Niagara Falls, NY) |
| SES | Sudden Enhancement of Signal |
| SES | Society of Engineers and Scientists |
| SES | Special Environmental Study |
| SES | Student Electronic Services |
| SES | Southeast of Saline School (Gypsum, Kansas) |
| SES | Suffield Experimental Station (Canada) |
| SES | Spectrum Educational Supplies Limited (Canada) |
| SES | Softcopy Exploitation Segment |
| SES | Southern Eagles Soaring (Lagrange-Callaway Airport, GA) |
| SES | Southeastern Stages, Inc. |
| SES | Safety and Enforcement Statistics (UK) |
| SES | Signals Exploitation Space |
| SES | Sanovo Environmental Solutions A/S (Denmark) |
| SES | Summit Electric Supply, Inc (wholesale distributor) |
| SES | Support Electronics Section |
| SES | System Engineering Specification |
| SES | System Engineering Station |
| SES | Symbol Encoding Sublayer |
| SES | Systems Engineering/Evaluation Simulator |
| SES | Scientific & Engineering Support |
| SES | Satellite Encryption System |
| SES | Support Electronics Subsystem |
| SES | Skills Evaluation Session |
| SES | Severed Error Second |
| SES | Sequential Event Schedules (Naval Sea Systems Command) |
| SES | Systems Exploitation Segment |
| SES | Stern Embarkation System |
| SES | Small Extension Switch |
| SES | Stationary-Ergodic Source |
| SES | Sundargarh Engineering School |
| SES | Studies and Expansion Society |
| SES | Sheratgarh Environmental Society (India) |
| SES | Soil Environment Services Limited (UK) |