| Acronym | Sense | Language | Topics |
|---|---|---|---|
| IAO | Institut d'Asie Orientale | In French | → Language, linguistics, literature → Geography, biography, history |
| IAO | Institut für Arbeitswirtschaft und Organisation (www.iao.fraunhofer.de) | In German | → Research institutes → Labour, labour economics → Germany |
| IAO | Ingénierie Assistée par Ordinateur | In French | → Computer-based techniques → Engineering, technology |