SX
| Acronym | Definition |
|---|---|
| SX | Surgery |
| SX | Symptoms |
| SX | Supercross |
| SX | Sussex (English County) |
| SX | Suction |
| SX | Stock Exchange |
| SX | Securities Exchange |
| SX | Solvent Extraction |
| SX | Subxiphoid (cardiology) |
| SX | Sonic X (game) |
| SX | Scenix (PIC-Clone) |
| SX | Subluxation |
| SX | System Extension |
| SX | Symphony X (band) |
| SX | Enhanced Search (Stores 100 code) |
| SX | Scour Exchange |
| SX | Sectional Express (boiler; US Navy) |
| SX | Standby Engine Generator |
| SX | StaticX (band) |
| SX | Simplex Signaling |
| SX | ShopStix |
| SX | Xaverian Missionary Fathers (religious order) |