| Abbreviation | Definition |
|---|---|
| SAXINDIAN | SAX& Indian |
| SAXINDIAN | SAX… Indian |
| SAXO | Simplified Access To X Outputs |
| SAXONITE | Saxonight |
| SAY | saying |
| SAY | Shout and Yell |
| SAY | Soccer Association for Youth |
| SAY | Stand for all You |
| SAY | Stuttering Association for the Young |
| SAYC | Standard American Yellow Card |
| SAYF | Sorry About Your Face |
| SAYF | Southern Appalachian Young Friends |
| SAYF | Southern Arizona Youth Football |
| SAYP | Survey of Activities of Young People |
| SAYRA | South Atlantic Yacht Racing Association |
| SAZ | Synaptic Active Zone |
| SAZU | Slovenska akademija znanosti in umetnosti |
| SB | S for But |
| SB | Salad Bowl |
| SB | Scaffolding Basic |