AIGS
| Acronym | Definition |
|---|---|
| AIGS | Asian Institute of Gemological Sciences (Bangkok, Thailand) |
| AIGS | Australian Institute of Genealogical Studies (est. 1973) |
| AIGS | Auxiliary Inerting Gas Subsystem |
| AIGS | Abnormal Impulse-Generating Site (nerves) |
| AIGS | Acoustic Intelligence Gathering System |