| SOLO | Save Our Loved Ones
| Others |
| SOLO | Sense Of Life Objectivists
| Others |
| SOLO | Serve Others Love Others
| Others |
| SOLO | Single Older Ladies Only
| Others |
| SOLO | Soldiers Outfa Loyalty Only
| Others |
| SOLO | Some Only Live Once
| Others |
| SOLO | Sounding Oceanographic Lagrangian Observer
| Others |
| SOLO | Speak Out Loud Organization
| Others |
| SOLO | Stand Out Live Original
| Others |
| SOLO | Standalone Option For Learning Opportunity
| Others |
| SOLO | Standard Of Living Outcome
| Others |
| SOLO | Stonehearth Open Learning Opportunities
| Others |
| SOLO | Structure Observed Learning Outcomes
| Others |
| SOLO | Structure Of Learned Outcomes
| Others |
| SOLO | Structure Of Linked Objects
| Others |
| SOLO | Structure of Observed Learning Outcome
| Others |
| SOLO | Structure Of Observed Learning Outcomes
| Others |
| SOLO | Structure Of The Learning Outcome
| Others |
| SOLO | Structured Overview of Learning Outcomes
| Others |
| SOLO | Student Organizations and Leadership Opportunities
| Others |
| SOLO | Sudan Open Learning Organization
| Others |
| SOLO | System For On Line Order
| Others |