| Acronym | Definition |
|---|
| ITNS➣International Transplant Nurses Society |
| ITNS➣Istituto Tecnico Nautico Statale (Italian nautical school) |
| ITNS➣IEEE Transactions on Nuclear Science (journal) |
| ITNS➣Information Technology Networks and Security (Purdue University) |
| ITNS➣Integrated Tactical Navigation System |
| ITNS➣International Numbering Switch |