| Acronym | Definition |
|---|
| CETI | Centro de Enseñanza Técnica Industrial |
| CETI | Communication with Extraterrestrial Intelligence |
| CETI | Clean Energy Technologies, Inc. |
| CETI | Council-certified Environmental Thermography Investigator (American Council for Accredited Certification) |
| CETI | China Educational Technology Initiative |
| CETI | Center for Electronic Text and Image |
| CETI | Centro de Terapia Infantil (Spanish: Children's Therapy Center) |
| CETI | Cultural & Educational Technology Institute (Greece) |
| CETI | Communication Effectiveness Index |
| CETI | Clean Energy Technologis, Incorporated |
| CETI | Conseil Etude Transactions Immobilières (French: Real Estate Transactions Study Council) |