| Acronym | Definition |
|---|
| STAI➣State-Trait Anxiety Inventory (psychological assessment) |
| STAI➣Strobe a Interrupt |
| STAI➣Spielberger Trait Anxiety Inventory |
| STAI➣Sekolah Tinggi Agama Islam (Indonesian: Islamic Religious Affairs High School) |
| STAI➣Supersonic Tunnel Association International (est. 1954) |
| STAI➣Sugar Technologists' Association of India (est. 1925; New Delhi, India) |
| STAI➣Sail Training Association Italia (Italy) |