| Acronym | Definition |
|---|
| ETAC➣Ethyl Acetate |
| ETAC➣Early Treatment of the Atopic Child (UCB Pharma) |
| ETAC➣Emergency Tactical Air Control (US DoD) |
| ETAC➣End-Tidal Anesthetic-Agent Concentration (surgery) |
| ETAC➣Enlisted Terminal Attack Controller |
| ETAC➣Environmental Technical Applications Center |
| ETAC➣Everyday Technologies for Alzheimer's Care |
| ETAC➣Enlisted Tactical Air Controller |
| ETAC➣Emmanuel Tamil Annual Conference (of the Methodist Church in Singapore) |
| ETAC➣European TFC Admins Council (gaming) |
| ETAC➣Escadron Tactique de Chasse (French: Hunting Tactics Squadron; National Defence; Canada) |
| ETAC➣Environmental Tactical Applications Center |
| ETAC➣Englewood Transportation Advisory Committee (Colorado) |
| ETAC➣Electrically Tuned Antenna Coupler |
| ETAC➣Electronic Temperature and Acceleration Controller |
| ETAC➣Enterprise Technical Assistance Center |
| ETAC➣Enhanced Token Activated Code (computer programming language) |