| Abbreviation | Definition |
|---|---|
| SWAN | Story Without A Name |
| SWAT | Symbolic Written Actions Technical |
| SWIM | School Web Of Instructional Media |
| SWM | Seven West Media |
| SWMS | Sam Whitmore's Media Survey |
| SWOC | Service Web Offset - Commercial |
| SWOP | Standard Web Offset Press |
| SWOP | Standard Web Offset Printing |
| SWR | Suedwestdeutscher Rundfunk (Southwestern German Broadcasting Station) |
| SWT | Service Writer's Toolkit |
| SWT | Star Wars Trilogy |
| SWW | Southwest Women magazine |
| SWW | SouthWest Writers |
| SXM | Northeastern Caribbean Television Station network |
| SYN | Syndicate Your News |
| SYN | Syndication |
| T&A | Telegraph and Argus |
| T&MW | Test & Measurement World |
| T&MWO | Test & Measurement World Online |
| TAAH | The Anti-Amelia Haven |