| Acronym | Sense | Language | Topics |
|---|---|---|---|
| IS | Internacia Seminario | In Esperanto | → Congresses |
| IS | International Standard | In English | → Standardization |
| IS | Installation Support | In English | → Engineering, technology |
| IS | Instrumentation System | In English | → Engineering, technology |
| IS | Integrated Satellite | In English | → Astronautics |
| IS | Interconnecting Station | In English | |
| IS | Image Stabilizer | In English | |
| IS | Informační systém = ИС | Информационная система | In Russian = SI | Sistema d'Informació | In Catalan = IS | Information System | In English = SI | Système d'Information | In French = SI | Sistem Informasi | In Indonesian = IS | Informačný systém | In Slovak = IS | Informacijski sistem | In Slovenian |
In Czech | → Software |
| IS | Information System = ИС, SI (look above) |
In English | → Software |
| IS | Informačný systém = ИС, SI (look above) |
In Slovak | → Software |
| IS | Informacijski sistem = ИС, SI (look above) |
In Slovenian | → Software |
| IS | Intervention de Sécurité | In French | → Accidents, risks, safety |
| IS | International Sign | In English | → Linguistics |