| Acronym | Definition |
|---|
| SAIS | School of Advanced International Studies |
| SAIS | Paul H. Nitze School of Advanced International Studies (Johns Hopkins University) |
| SAIS | Southern Association of Independent Schools |
| SAIS | Subacromial Impingement Syndrome |
| SAIS | Strange Adventures in Infinite Space (game) |
| SAIS | Swedish Artificial Intelligence Society |
| SAIS | Sportscotland Avalanche Information Service |
| SAIS | Simple As It Seems (band) |
| SAIS | South African Institute of Security |
| SAIS | Society for the Advancement of Information Systems |
| SAIS | Small Arms Impact Survey |
| SAIS | Shanghai Automotive Information Systems Co, Ltd (Shanghai, China) |
| SAIS | Secretary of the Army, Information Systems |
| SAIS | Services Agency Information System |
| SAIS | Science & Application Information System |
| SAIS | South African Intelligence Service |