| Acronym | Sense | Language | Topics |
|---|---|---|---|
| ISIS | (Malaysia) Institute of Strategic and International Studies | In English | → International relations |
| ISIS | Institute of Security and International Studies | In English | → International relations → Polemology |
| ISIS | Institute of Software Technology and Interactive Systems | In English | → Software |
| ISIS | Institut für Softwartechnik und Interaktive Systeme | In German | → Organizations and associations → Software → Human-computer interaction |
| ISIS | Integrated Safety Information System | In English | → Data → Knowledge management |
| ISIS | Istituto di Studi per l'Integrazione dei Sistemi | In Italian | → Mathematics and natural sciences |
| ISIS | Ingénierie des Systèmes d'Information et de Sécurité | In French | → Computer science → Telecommunications |
| ISIS | International Society of Infant Studies | In English | → Organizations and associations → Education → Pediatry |
| ISIS | Intranet Sécurisé Interministériel pour la Synergie gouvernementale | In French | → Networks, communication → Central administration |