| Acronym | Definition |
|---|
| SSW | South-South-West |
| SSW | School of Social Work |
| SSW | School Social Worker |
| SSW | Sick Sad World (a show-inside-the-show on MTV's 'Daria') |
| SSW | Social Service Worker |
| SSW | Stevens Pass (Amtrak station code; Stevens Pass, WA) |
| SSW | Social Semantic Web |
| SSW | Sea Surface Wind |
| SSW | Super Speed Writing |
| SSW | Sony Smartwatch |
| SSW | Super Soap Weekend (fan event) |
| SSW | Solid-State Welding |
| SSW | Senior Staff Writer (various organizations) |
| SSW | Südschleswigscher Wählerverband (German political party in Schleswig-Holstein) |
| SSW | Superior Software for Windows (various locations) |
| SSW | Status of Women Canada |
| SSW | Seismic Sea Wave |
| SSW | Smart Sensor Web |
| SSW | Sewage Sludge Waste (waste-water treatment plants; various locations) |
| SSW | Semantic Small World (overlay network) |
| SSW | Sustainability South West (UK) |
| SSW | Surface Ship Warfare |
| SSW | St. Louis Southwestern Railway Company |
| SSW | Suspended Slow-Wave (microwave theory) |
| SSW | Solar Subsurface Weather |
| SSW | Saint Seiya World (fansite) |
| SSW | Standby Service Water (nuclear power) |
| SSW | Stolze Stahl Waren GmbH (German: Proud Steel Products GmbH) |
| SSW | Super Star Wrestling |
| SSW | Summer Salt Water |
| SSW | Swept Square Wave |
| SSW | Space Support Wing |
| SSW | Sound Settings Widget (Skype) |
| SSW | Surface Subtropical Waters |
| SSW | SQL (Structured Query Language) Script Wizard (software) |
| SSW | Surface Strike Warfare |
| SSW | Surface-To-Surface Warfare |
| SSW | Sacramento Symphonic Winds (Sacramento, CA) |
| SSW | Sirius Sky Way Film (est. 2007) |