| Acronym | Sense | Language | Topics |
|---|---|---|---|
| SIA | Semajno de Internacia Amikeco | In Esperanto | → Artificial languages (linguistics) |
| SIA | Société suisse des Ingénieurs et des Architectes (www.sia.ch) = SIA | Schweizerischer Ingenieur- und Architekten-Verein | In German |
In French | → Organizations and associations → Engineering, technology → Architecture → Switzerland |
| SIA | Schweizerischer Ingenieur- und Architekten-Verein (www.sia.ch) = (look above) |
In German | → Organizations and associations → Engineering, technology → Architecture → Switzerland |
| SIA | Società Italiana di Andrologia | In Italian | → Organizations and associations → Sexual problems → Urology → Italia |
| SIA | Société des Ingénieurs de l'Automobile | In French | → Organizations and associations → Automobile manufacturing |
| SIA | Salon International de l'Agriculture | In French | → Agricultural sciences |
| SIA | Software Impact Assessment | In English | → Software |
| SIA | Solar Inertial Attitude | In English | → Astronomy |
| SIA | Structural Interface Adapter | In English | |
| SIA | System Integration Area | In English | |
| SIA | Société d'Investissement en Autriche | In French | → Finance |
| SIA | Solidarité Internationale Antifasciste | In French | → Political parties and movements |
| SIA | Service d'Information Aéronautique | In French | → Documentation → Transport by air → Aeronautics, aircraft |
| SIA | Semiconductor Industry Association (www.sia-online.org) | In English | → Associations → Electronics |