| SWO | Salty Wet Old 
| Others |
| SWO | School Wide Outcome
| Others |
| SWO | School Wide Outcomes
| Others |
| SWO | Sell Writing Online
| Others |
| SWO | Semantic Web Ontology
| Others |
| SWO | Senior Watch Officer
| Others |
| SWO | Sensible Weather Objects
| Others |
| SWO | Serial Wire Output
| Others |
| SWO | Session Work Object
| Others |
| SWO | Settlement With Orders
| Others |
| SWO | Severe Weather Office
| Others |
| SWO | Short Wave Optical
| Others |
| SWO | Simulation World Object
| Others |
| SWO | Sisseton Wahpeton Oyate
| Others |
| SWO | Sleep Walking Officers
| Others |
| SWO | Smoke Weed Occasionally
| Others |
| SWO | Snowbird Wilderness Outfitters
| Others |
| SWO | Social Web Optimizer
| Others |
| SWO | Social Welfare Organization
| Others |
| SWO | Social Work Officer
| Others |
| SWO | South West Observatory
| Others |
| SWO | Southern Wine Online
| Others |
| SWO | SouthWest Ontario
| Others |
| SWO | SouthWestern Ohio
| Others |
| SWO | SouthWestern Ontario
| Others |
| SWO | Space Wavelength Observed
| Others |
| SWO | Special Weapons Officer
| Others |
| SWO | Splashed White Overo
| Others |
| SWO | Staff Weather Officer
| Others |
| SWO | Standard Written Order
| Others |
| SWO | Stichting Wateropleidingen offers
| Others |
| SWO | Stillwater, Oklahoma USA
| Others |
| SWO | Stop Work Order
| Others |
| SWO | Stop Work Orders
| Others |
| SWO | Strengths Weaknesses Opportunities
| Others |
| SWO | Student Welfare Officer
| Others |
| SWO | Student Wellness Office
| Others |
| SWO | Studies Of War Oppression
| Others |
| SWO | Super White Output
| Others |
| SWO | Superficial White Onychomycosis
| Others |
| SWO | Surface Warfare Officer
| Others |
| SWO | Surface Warfare Officers
| Others |
| SWO | Susquehanna Wrestling Organization
| Others |