| Acronym | Definition |
|---|
| ECAI | Electronic Cultural Atlas Initiative (International and Area Studies; University of California, Berkeley; Berkeley, CA) |
| ECAI | European Conference on Artificial Intelligence |
| ECAI | External Credit Assessment Institution |
| ECAI | Expertise Comptable Audit et Informatique (French: Chartered Accounting and Audit Information) |
| ECAI | Étude et Conception, Automatisme Industriel (French: Study and Design, Industrial Automation) |
| ECAI | Energy Collaborative Analysis Initiative |
| ECAI | East Chicago Arts Initiative (Chicago, IL) |