| ERT | Earliest Realization Time 
| Others |
| ERT | Early Ray Termination
| Others |
| ERT | Early Response Team
| Others |
| ERT | Early Ride Time
| Others |
| ERT | Early Transmit
| Others |
| ERT | Earth Received Time
| Others |
| ERT | East Riding Theatre
| Others |
| ERT | Eastern Region Tennis
| Others |
| ERT | Electrical Resistance Tomography
| Others |
| ERT | Electrical Resistivity Test
| Others |
| ERT | Electronic Receiver Transmitter
| Others |
| ERT | Electronic Recycling and Trading
| Others |
| ERT | Electronic Recycling Trading
| Others |
| ERT | Electronic Registration and Title
| Others |
| ERT | Electronic Registration and Titling
| Others |
| ERT | Electronic Reporting Tool
| Others |
| ERT | Elite Ramming Team
| Others |
| ERT | Elizabeth River Tunnels
| Others |
| ERT | Elliniki Radiophonia Tikleorassi ( Greek Broadcasting Organization)
| Others |
| ERT | Emergency Remote Teaching
| Others |
| ERT | Emergency Rescue Team
| Others |
| ERT | Emergency Response Team
| Others |
| ERT | Emergency Response Team (FEMA)
| Others |
| ERT | Emergency Response Technician
| Others |
| ERT | Emergency Response Time
| Others |
| ERT | Emergency Roadside Telephone
| Others |
| ERT | Emergency Room Thoracotomy
| Others |
| ERT | Emission Reduction Target
| Others |
| ERT | Emotion Reintegration Therapy
| Others |
| ERT | Emotional Repolarization Technique
| Others |
| ERT | Empirical Roofline Tool
| Others |
| ERT | Encoder Receiver and Transmitter
| Others |
| ERT | Encoder Receiver Transmitter
| Others |
| ERT | Encoder Receiver Transmitters
| Others |
| ERT | Endogenous Reverse Transcription
| Others |
| ERT | Endurance Run Test
| Others |
| ERT | Energy Reduction Technique
| Others |
| ERT | Energy Research Triangle
| Others |
| ERT | Energy Resources and Technologies
| Others |
| ERT | Engineer Reconnaissance Team
| Others |
| ERT | Enhanced Routing Technology
| Others |
| ERT | Entirely Retiscent Torpor
| Others |
| ERT | Environmental Remediation Technologies
| Others |
| ERT | Environmental Research Tool
| Others |
| ERT | Environmental Response Team
| Others |
| ERT | Environmental Review Tribunal
| Others |
| ERT | Enzyme Replacement Therapy
| Others |
| ERT | Esophageal Radionuclide Transit
| Others |
| ERT | ESPN Regional Television
| Others |
| ERT | ESports Reward Token
| Others |
| ERT | eSports Rewards Token
| Others |
| ERT | Estimated Repair Time
| Others |
| ERT | Estimated Runtime The
| Others |
| ERT | Estrogen Replacement Therapy
| Others |
| ERT | Estrogen Replacement Treatment
| Others |
| ERT | Eugene R Thompson
| Others |
| ERT | European Rally Trophy
| Others |
| ERT | European Registered Toxicologist
| Others |
| ERT | European Round Table
| Others |
| ERT | Evaluation and Repair Tools
| Others |
| ERT | Everyone Read To ....
| Others |
| ERT | Evidence Response Team
| Others |
| ERT | Evil Red Text
| Others |
| ERT | Excess Retention Tax
| Others |
| ERT | Exclusive Raccoon Time
| Others |
| ERT | Exclusive Ride Time
| Others |
| ERT | Execution Reference Time
| Others |
| ERT | Exhibits Round Table
| Others |
| ERT | Extended Real Time
| Others |
| ERT | external (beam) radiotherapy
| Others |
| ERT | Extra Ride Time
| Others |