| อักษรย่อ | คำเต็ม | รายละเอียด |
| e-Office | Electronic Office | |
| e-SATA | Enterprise Serial Advanced Technology Attachment | |
| E. | East | |
| E.E. | Electrical Engineer (ing) | |
| e.g. | exempli gratia (for example) | |
| EDGE | Enhanced Data rates for GSM Evolution | |
| EDH | Epidural hematoma | |
| EDP | Electronic Data Processing | |
| EGAT | Electricity Generation Authority of Thailand | |
| EMS | Express Mail Service หรือ Emergency Medical Services | |
| enc./encl. | enclosure | |
| EOD | Explosive Ordnance Disposal | |
| EPL | English Premier League | |
| Equi. | Equivalent | |
| ER | EMERGENCY ROOM | |
| ERP | Enterprise Resource Planning | |
| Esp. | Especially | |
| ESPN | Entertainment and Sports Programming Network | |
| ESRD | End Stage Renal Disease | |
| est. | established | |
| ET Tube | Endotracheal Tube | |
| etc. | et cetera | |
| EU | European Union | |
| Exam. | Examination | |
| exec. | executive | |
| Exp. | Experience | |
| Explore lap. | Exploratory Laparotomy | |
| Ext | Extremity | |
| ext. | extension (phone number) | |
| Ext. / Extn | Extension | |
| EZ | Easy | |
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