IETM
| Acronym | Definition |
|---|---|
| IETM | Interactive Electronic Technical Manual |
| IETM | Informal European Theatre Meeting |
| IETM | Initial Eocene Thermal Maximum (geology) |
| IETM | Integrated Electronic Technical Manual (US Army) |
| IETM | International European Theatre Meeting |
| IETM | Integrated Engine Technical Manual (US Air Force) |