| CETI | Career Exploration Through Internships 
| Others |
| CETI | Center for Educational and Technological Innovation
| Others |
| CETI | Center for Evolutionary and Theoretical Immunology
| Others |
| CETI | Centros de Estancia Temporal de Inmigrantes
| Others |
| CETI | China Educational Technology Initiative
| Others |
| CETI | Clean Energy Technologis Incorporated
| Others |
| CETI | Continuing Education Training Institute
| Others |
| CETI | Council-certified Environmental Thermography Investigator
| Others |