| Abbreviation | Definition |
|---|---|
| SMG | Sarah Michelle Gellar |
| SN | Sarah Neko |
| SOB | Sweet Ole Bob |
| SR | Sammie Roberts |
| SR | Sonia Rykiel |
| SRB | Spoiled Rich Beauty |
| SRK | Shah Rukh Khan, Actor from India |
| SRL | Stephen R. Lawhead, fiction author and writer |
| SRM | Stephen R. Martin |
| SRV | Stevie Ray Vaughan |
| SS | Scott Simons |
| SS | Stuart Surridge |
| SSK | Sebastian S. Kresge |
| ST | Simon Tissot |
| ST | Stuart Taylor |
| STD | Simon Tissot Dupont |
| STM | Stan The Man |
| SUMO | SUmant MOolgaonkar, Indian statesman |
| SW | Stanislaw Wladyslaw |
| SWD | Seymour W. Duncan, guitar equipment developer |