| EST | E Service Training 
| Others |
| EST | Earliest Starting Time
| Others |
| EST | Earth Standard Time
| Others |
| EST | Earth Subsolar Temperature
| Others |
| EST | East Something Time
| Others |
| EST | Eastern Seaboard Time
| Others |
| EST | Eastern Standard Time
| Measurement Unit, Time, Time Zone |
| EST | Easy Substitute Teacher
| Others |
| EST | Echidna Stylish Teens
| Others |
| EST | Education Support Team
| Others |
| EST | Educational Support Teacher
| Others |
| EST | Educational Support Team
| Others |
| EST | Electric Shift Transfer
| Others |
| EST | Electrical Safety Testing
| Others |
| EST | Electrical Service Technician
| Others |
| EST | Electrical Switch Torque
| Others |
| EST | Electro Shock Therapy
| Others |
| EST | Electro Stimulation Therapy
| Others |
| EST | Electronic Kennfeldsteuerung
| Others |
| EST | Electronic Sales Tool
| Others |
| EST | Electronic Service Tool
| Others |
| EST | Electronic Servo Throttle
| Others |
| EST | Electronic Shift Technology
| Others |
| EST | Electronic Shift Transmission
| Others |
| EST | Electronic Shipping Tools
| Others |
| EST | Electronic Spark Timing
| Others |
| EST | Electronic Systems Technician
| Others |
| EST | Electronically Script Timing
| Others |
| EST | Electroshock Therapy
| Others |
| EST | Embarked Security Team
| Others |
| EST | Embedded System Technologies
| Others |
| EST | Emergency Service Team
| Others |
| EST | Emergency Services Training
| Others |
| EST | Emergency Stethoscope Technician
| Others |
| EST | Emergency Support Team
| Others |
| EST | Emergency Support Team (FEMA)
| Others |
| EST | Emergency Surgical Technician
| Others |
| EST | Emotional Science and Technology
| Others |
| EST | Emotional Science Technology
| Others |
| EST | Employee Sick Time
| Others |
| EST | Employee Support Training
| Others |
| EST | En Route Support Team
| Others |
| EST | Energy Saving Trust
| Others |
| EST | Energy Super Truck
| Others |
| EST | Engineer Support Team
| Others |
| EST | Engineering Systems Technologies
| Others |
| EST | English for Science & Technology
| Others |
| EST | English for Science and Technology
| Others |
| EST | English For Science Technology
| Others |
| EST | Enroute Support Team
| Others |
| EST | Ensemble Studio Theatre
| Others |
| EST | Environ Sci Technol
| Others |
| EST | Environmental Sampling Technologies
| Others |
| EST | Environmental Science And Technology
| Others |
| EST | Environmental System Testing
| Others |
| EST | Environmentally Sustainable Transport
| Others |
| EST | Environmentally Sustainable Transportation
| Others |
| EST | Enzyme Similarity Tool
| Others |
| EST | Equipment Specific Training
| Others |
| EST | Erhard Seminar Training
| Others |
| EST | Erhard Seminars Training
| Others |
| EST | Esbjorn Svensson Trio
| Others |
| EST | Established
| Others |
| EST | Estasblished
| Others |
| EST | Estate Wagon
| Others |
| EST | ESTensione
| Others |
| Est | Esther
| Others |
| EST | Estimated S*** Time
| Others |
| EST | Estimated Sh*t Time
| Others |
| EST | Estonian
| Others |
| EST | Europe Standard Time
| Others |
| EST | European Shared Treasure
| Others |
| EST | European Society for Translation
| Others |
| EST | European Solar Telescope
| Others |
| EST | European Standard Time
| Others |
| EST | Even Shorter Telomeres
| Others |
| EST | Ever Secret Thing
| Others |
| EST | Everyone Stand Together
| Others |
| EST | Everyone Stands Together
| Others |
| EST | Exercise Stress Test
| Others |
| EST | Exercise Submission Tool
| Others |
| EST | Expanded Sound Track
| Others |
| EST | Explorer Sport Trac
| Others |
| EST | Exponentially Small Terms
| Others |
| EST | Expressed Sequence Tag
| Others |
| EST | Expressed Sequence Tags
| Others |
| EST | Extended Standard Theory
| Others |
| EST | Exterior Shell Technology
| Others |
| EST | External Shell Technology
| Others |
| EST | Extra Sentient Terrestrial
| Others |
| EST | The Esellerate Salestrac Technology
| Others |
| est. | establish(ed)
| Others |
| est. | estimate(d)
| Others |
| est. | estnisch
| Others |