| Acronym | Definition |
|---|
| CEIA | Canadian Environment Industry Association |
| CEIA | Cooperative Education & Internship Association (Cincinnati, OH) |
| CEIA | Canadian Environmental Industry Association |
| CEIA | Certified Expert Independent Assessor (Lunarline School of Cyber Security) |
| CEIA | Certified Expert Independent Assessor (Lunarline School of Cybersecurity; various locations) |
| CEIA | Cork Electronics Industry Association (Ireland) |
| CEIA | Center for Ethical Identity Assurance (Warrendale, PA) |
| CEIA | Capillary Electrophoresis-Based Immunoassay (analytical chemistry) |