| CIET | Cadet Initial Entry Training 
| Others |
| CIET | Camellia Institute of Engineering and Technology
| Others |
| CIET | Canadian Institute for Energy Training
| Others |
| CIET | Cascadia Initiative Expedition Team
| Others |
| CIET | Center for Immigrant Education and
| Others |
| CIET | Center for Immigrant Education and Training
| Others |
| CIET | Center for Immigrant Education and Training's
| Others |
| CIET | Central Institute of Education and Training
| Others |
| CIET | Central Institute of Education Technology
| Others |
| CIET | Central Institute Of Educational Technology
| Others |
| CIET | Centre for Innovative Educational Technology
| Others |
| CIET | Centre for Integrated Education and Technology
| Others |
| CIET | Centre for International Education and Training
| Others |
| CIET | Centre for International Education Training
| Others |
| CIET | Centro De Investigaciones Y Estudios Turisticos
| Others |
| CIET | Centro Internacional de Ecologia Tropical
| Others |
| CIET | Chalapathi Institute Of Engineering And Technology
| Others |
| CIET | Chitkara Institute of Engineering and Technology
| Others |
| CIET | Coimbatore Institute of Engineering and Technology
| Others |
| CIET | Community Information and Epidemiological Technologies
| Others |
| CIET | Community Information Empowerment And Transparency
| Others |
| CIET | Community Information for Empowerment and Transparency
| Others |
| CIET | Compact Integral Effects Test
| Others |
| CIET | Condominio Industrial Empresarial Torquemada
| Others |
| CIET | Control and Instrumentation Engineering Technology
| Others |
| CIET | Coupled Integral Equations Technique
| Others |