| Acronym | Definition |
|---|
| SW | Software |
| SW | Southwest |
| SW | Star Wars |
| SW | Snow Showers (weather reports) |
| SW | Switch |
| SW | Soil and Water |
| SW | Subwoofer (audio) |
| SW | Short Wave (see HF) |
| SW | Sweden |
| SW | Swimming |
| SW | Surface Water |
| SW | Solid Waste |
| SW | Station Wagon |
| SW | Swedish (linguistics) |
| SW | Space Wing |
| SW | Sand Wedge (golf) |
| SW | Smartwatch |
| SW | Salt Water |
| SW | Storm Water |
| SW | Social Worker |
| SW | Socialist Worker |
| SW | Shareware |
| SW | So What? |
| SW | Shockwave (amusement park ride; game) |
| SW | SolidWorks (3D solid modeling CAD software) |
| SW | Sea World |
| SW | Small World |
| SW | Subway |
| SW | Spyware |
| SW | Say What? |
| SW | Sex Worker |
| SW | Shallow Water |
| SW | Semantic Web |
| SW | Samurai Warriors (video game) |
| SW | Sine Wave (electronic signal shape) |
| SW | Sidewinder |
| SW | Sherwin-Williams |
| SW | Secret World (video games) |
| SW | Sweeper |
| SW | Shadow Warrior |
| SW | Sierra Wireless (mobile computing; various locations) |
| SW | Since When? |
| SW | Service Water |
| SW | Specific Weight |
| SW | Strike Witches (mixed-media project) |
| SW | Sam Worthington (actor) |
| SW | Second Wife |
| SW | Smith and Wesson (gun maker) |
| SW | Stormwind (gaming, World of Warcraft) |
| SW | Sedro-Woolley (Washington) |
| SW | Steve Wilkos (TV show) |
| SW | Switchgear |
| SW | Surface Warfare |
| SW | Surface Wave |
| SW | Swann "Blood Group" |
| SW | Small Works (architecture) |
| SW | Socket Weld (piping joint) |
| SW | Air Namibia (IATA airline code) |
| SW | Shock Waves (movie) |
| SW | Swing Phase (gait cycle) |
| SW | Shrink Wrapped |
| SW | Sigourney Weaver (actress) |
| SW | Special Warfare |
| SW | Selected Works |
| SW | Security Watch (various organizations) |
| SW | Southern Winds (Argentine Airline) |
| SW | Sanitary Ware (bathroom plumbing fixtures) |
| SW | Sesame Workshop |
| SW | Slow Wave |
| SW | Shrapnel Wound |
| SW | Senior Warden (Masonic title) |
| SW | Schlüsselweite (German: spanner size; wrench size) |
| SW | SmoothWall |
| SW | Stop and Wait |
| SW | Special Weapon |
| SW | Stab Wound |
| SW | Shotgun Wedding |
| SW | Seek Work |
| SW | Spanner Width |
| SW | Street Walker |
| SW | Sub-Watershed |
| SW | Swingweight (golf) |
| SW | Sound Wall (construction) |
| SW | Star Web |
| SW | Stabbing Westward (band) |
| SW | Secondary Waste |
| SW | Super Weapon (gaming) |
| SW | Super Woofer |
| SW | Safety Wall (gaming, Ragnarok) |
| SW | Strategic Wing |
| SW | Special Watch (for ACG forms) |
| SW | Seatwork (education) |
| SW | Study Works |
| SW | Southern Wells (Indiana) |
| SW | Severe Weathering |
| SW | Space Weapon |
| SW | London Southwest (postcode, United Kingdom) |
| SW | Scapegoat Wax (band) |
| SW | Slepian-Wolf (source network) |
| SW | Socialist Worker's Party (also seen as SWP) |
| SW | Synchronization Word |
| SW | Signals Warfare |
| SW | Ship's Warrant (US Navy) |
| SW | Split Web (railway defect) |
| SW | Shipboard Weapon |
| SW | Samurai Wakizashi |
| SW | Server Wallet |
| SW | Stud Arc Welding |
| SW | Sarcasm Warning |
| SW | Spectral Warping |
| SW | Sterling Wentworth |
| SW | Sea Watch/Water |
| SW | (USN Rating) Steelworker |
| SW | Snark Wars |
| SW | Short Along Word Lines |