| Acronym | Definition |
|---|
| SIIT | Stateless IP/ICMP Translation |
| SIIT | Stateless Ip Icmp Translator |
| SIIT | Sirindhorn International Institute of Technology (Thailand) |
| SIIT | Seiko I Infotech, Inc. (Japan) |
| SIIT | Standardization and Innovation in Information Technology (IEEE conference) |
| SIIT | Saskatchewan Indian Institute of Technology (est. 1976; various locations) |
| SIIT | Salon International de l'Innovation et des Technologies (French: International Exhibition of Innovation and Technology; Madagascar) |
| SIIT | Sunbeam Institute of Information Technology (Pune, Maharashtra, India) |