| Abbreviation | Definition |
|---|---|
| SAI | School Administrators of Iowa |
| SAI | Science and Information |
| SAI | Science Applications International |
| SAI | Secondary Air Injection |
| SAI | Security Awareness Index |
| SAI | Senior Assistant Instructor |
| SAI | Serve And Inspire |
| SAI | Service Action Integrity |
| SAI | Service Adoration and Illumination |
| SAI | Silicon Alley Insider |
| SAI | Slaved Abused And Injured |
| SAI | Small Aperture Inlay |
| SAI | Social Accountability International |
| SAI | Son Altesse Imp |
| SAI | South America Implants |
| SAI | Spiritual Absolute and Infinite |
| SAI | Split APKs Installer |
| SAI | Standards Assessment Inventory |
| SAI | Statement Of Additional Information |
| SAI | Strategic Applications International |