| Acronym | Definition |
|---|
| AITN➣Advanced Interoperability Test Network (telecommunications) |
| AITN➣Acute Interstitial Tubular Nephritis (kidneys) |
| AITN➣Associazione Italiana Tecnici Neurofisiopatologia (Italian: Italian Association of Technical Neurophysiopathology) |
| AITN➣Arizona-International Telemedicine Network (est. 1992) |
| AITN➣Army Interoperability Test Network |
| AITN➣Air Interdiction Target Nomination |
| AITN➣Alloimmune Thrombocytopenia of the Newborn |