| FET | Facility Engineer Team 
| Others |
| FET | Faculty of Engineering and Technology
| Others |
| FET | Faculty of Engineering Technology
| Others |
| FET | Failure Effects Tree
| Others |
| FET | Fair and Equitable Treatment
| Others |
| FET | Familial Essential Tremor
| Others |
| FET | Far East Time
| Others |
| FET | Far Eastern Textiles
| Others |
| FET | Federacion Espanola de Tuning
| Others |
| FET | Federal Election Tribunal
| Others |
| FET | Federal Excise Tax
| Others |
| FET | Federal Excise Taxes
| Others |
| FET | Federation of Environmental Technologists
| Others |
| FET | Fedora Engineering Team
| Others |
| FET | Feed Enhancement Technology
| Others |
| FET | Feet Emergency Technician
| Others |
| FET | Female Engagement Team
| Others |
| FET | Field Effect Transistor
| Others |
| FET | Field Effect Transistors
| Others |
| FET | Field Evaluation Trials
| Military, Defence, Marine Corps, Navy, Weapon, Test |
| FET | Field-Effect Transistor
| Others |
| FET | Flight Elapsed Time
| Others |
| FET | Flores Exotic Tours
| Others |
| FET | Follow-on Equipment Training
| Others |
| FET | Foreign Economic Trends
| Others |
| FET | Formula E-Team
| Others |
| FET | Forum Energy Technologies
| Others |
| FET | Foundations of Emerging Technologies
| Others |
| FET | Frequency Echo Transmitter
| Others |
| FET | Frozen Embryo Transfer
| Others |
| FET | Frozen Embryo Transfers
| Others |
| FET | Fuel Economy Test
| Others |
| FET | Further Education And Training
| Others |
| FET | Furthering Education Training
| Others |
| FET | Future and Emerging Technologies
| Others |
| FET | Future Emerging Technologies
| Others |