| Acronym | Definition |
|---|
| IVAC | International Vaccine Access Center (John Hopkins Bloomberg School of Public Health; Baltimore, MD) |
| IVAC | Idle Air Control Valve |
| IVAC | Islington Voluntary Action Council (England, UK) |
| IVAC | Illinois Vaccine Awareness Coalition (Oak Park, IL) |
| IVAC | Indus Valley Ayurvedic Centre (Karnataka, India) |
| IVAC | Integrated Valve Actuator (Norgren) |
| IVAC | Independent Venezuelan American Citizens |
| IVAC | Insert Valid Access Card (satellite TV hacking) |
| IVAC | Inter-Varsity AIDS Conference (University Malaya; Malaysia) |
| IVAC | International Video & Audio Convention |