| Acronym | Definition |
|---|
| ECET➣European Council of Enterostomal Therapy |
| ECET➣European Centre for Education and Training (est. 1993; Bulgaria) |
| ECET➣Electronics and Computer Engineering Technology |
| ECET➣Escherichia Coli Entérotoxigène (French: Enterotoxigenic Escherichia Coli) |
| ECET➣Enquête sur le Commerce Électronique et la Technologie (French: Survey of Electronic Commerce and Technology; Canada) |
| ECET➣Engineering Common Entrance Test (various universities) |
| ECET➣Electronic Clinical Expert Technology (software) |
| ECET➣Early Childhood Education Technology (various universities) |
| ECET➣Every Customer Every Time (retail) |