| SEM | Sample Exchange Mechanism 
| Others |
| SEM | Scalar Equation Method
| Others |
| SEM | Scanning Electron Microscope
| Others |
| SEM | Scanning Electron Microscopy
| Others |
| SEM | Scanning Emectron Microscopy
| Others |
| SEM | Schoolwide Enrichment Model
| Others |
| SEM | Schoolwide Enrichment Myschoolonline
| Others |
| SEM | Science, Engineering, and Mathematics
| Others |
| SEM | Scripture Encoding Model
| Others |
| SEM | Search Engine Marketer
| Others |
| SEM | Search Engine Marketing
| Others |
| SEM | Secondary Electron Multiplier
| Others |
| SEM | Security Event Management
| Others |
| SEM | Seller's Engineering Memorandum
| Others |
| SEM | Semen
| Others |
| SEM | Semester
| Others |
| SEM | Semi Trailer
| Others |
| SEM | Semitic - Other
| Others |
| SEM | Server Enterprise Manager
| Others |
| SEM | Session Experience Manager
| Others |
| SEM | Set of Eye Movement
| Others |
| SEM | Sexually Explicit Material
| Others |
| SEM | Shell Eco Marathon
| Others |
| SEM | Shift Energy Management
| Others |
| SEM | Silly Equipment Manager
| Others |
| SEM | Simply Expensive Machine
| Others |
| SEM | Single European Market
| Others |
| SEM | SmartStream Encryption Modulator
| Others |
| SEM | Smooth Eye Movements
| Others |
| SEM | Societe Des Establissements Modernes
| Others |
| SEM | Societe Des Etablissements Modernes
| Others |
| SEM | Society for Ethnomusicology
| Others |
| SEM | Society for Experimental Mechanics
| Others |
| SEM | Software Engineering Manager
| Others |
| SEM | Solvent Extractable Material
| Others |
| SEM | Someone Else's Money
| Others |
| SEM | Sonido En Movimiento
| Others |
| SEM | Sound and Efficient Management
| Others |
| SEM | South East Mopars
| Others |
| SEM | South East Motor
| Others |
| SEM | South-East Michigan
| Others |
| SEM | Southern Europe and Mediterranean
| Others |
| SEM | Space Environment Monitor
| Others |
| SEM | Space Environment Monitoring
| Others |
| SEM | Spacecraft Equipment Module
| Others |
| SEM | Spec Epics Motors
| Others |
| SEM | Special Education and Middle school
| Others |
| SEM | Sports and Exercise Medicine
| Others |
| SEM | Sql Enterprise Manager
| Others |
| SEM | Square Enix Mobile
| Others |
| SEM | Standard Error of Mean
| Others |
| SEM | Standard Error of Measurement
| Others |
| SEM | State Event Machines
| Others |
| SEM | Station Emulation Mode
| Others |
| SEM | Steptoe Edwards Motors
| Others |
| SEM | Stock Exchange of Mauritius
| Others |
| SEM | Strategic Enrollment Management
| Others |
| SEM | Strategic Enterprise Management
| Others |
| SEM | Structural Equation Modeling
| Others |
| SEM | Structural Equation Modelling
| Others |
| SEM | Structural Equation Models
| Others |
| SEM | Sun, Earth, Moon
| Others |
| SEM | Symantec Event Manager
| Others |
| SEM | Synthesis Enterprise Manager
| Others |
| SEM | Synthesizer Expander Module
| Others |
| SEM | System Engineering Management
| Others |
| SEM | System Error Message
| Others |
| SEM | Systematic Evaluation of Members
| Others |
| SEM | Systolic Ejection Murmur
| Others |