| ACET | Acetonide 
| Others |
| ACET | Actuarial Common Entrance Test
| Others |
| ACET | Acturial Common entrance test
| Others |
| ACET | Adult Continuing Education And Training
| Others |
| ACET | Advanced Classroom Expertise Teacher
| Others |
| ACET | Advancement Council for Engineering and Technology
| Others |
| ACET | Advisory Council for the Elimination of Tuberculosis
| Others |
| ACET | African Center for Economic Transformation
| Others |
| ACET | Agility Center of East Tennessee
| Others |
| ACET | Aids Care Education And Training
| Others |
| ACET | AIDS Carew Education and Training
| Others |
| ACET | Air Conditioning Evaporator Temperature Sensor
| Others |
| ACET | Aligarh College of Engineering and Technology
| Others |
| ACET | Alternative Certification for Effective Teachers
| Others |
| ACET | American Center for Education and Testing
| Others |
| ACET | Asset Condition Evaluation Tool
| Others |
| ACET | Assistant Cook Extended Training
| Others |
| ACET | Associate Continuing Education Tracking
| Others |
| ACET | Association for Compensatory Educators of Texas
| Others |
| ACET | Association for Computer Educators in Texas
| Others |
| ACET | Association of Computer Engineers and Technicians
| Others |
| ACET | Automated Cybersecurity Examination Tool
| Others |
| ACET | Automatic Cancellation of Extended Targets
| Others |