CIET
| Acronym | Definition |
|---|---|
| CIET | Certified International E-Teacher (International Career Planning Institute) |
| CIET | Centro Internacional de Ecologia Tropical (Venezuela) |
| CIET | Central Institute of Education Technology |
| CIET | Canadian Institute for Energy Training |
| CIET | Clemson Institute of Environmental Toxicology (Clemson University; South Carolina) |
| CIET | Centre for International Education and Training (Canada) |
| CIET | Coupled Integral-Equation Technique |