| Acronym | Definition |
|---|
| SOO | Soo Line Railroad |
| SOO | Summary of Observations (various organizations) |
| SOO | Special Olympics Ontario (Ontario, Canada) |
| SOO | School of Optics (University of Central Florida) |
| SOO | Strategic Operational Objectives |
| SOO | Small Office Oriented |
| SOO | Statement Of Objectives |
| SOO | Staff Operations Officer |
| SOO | Site of Origin |
| SOO | Science and Operations Officer |
| SOO | Service Oriented Organization |
| SOO | Scheme of Obstacle Overlay |
| SOO | Sons of Odin |
| SOO | Son of Osiris (gaming) |
| SOO | Ship of Opportunity |
| SOO | Special Operations Officer |
| SOO | Sequence of Operation |
| SOO | Safety of Operations |
| SOO | Support Operations Officer (US Army) |
| SOO | Space Operations Officer |
| SOO | Société Orthopédique de l'Ouest |
| SOO | Standing Operating Order |
| SOO | Supply Operations Officer |