| Abbreviation | Definition |
|---|---|
| SO | Stem Only harvest |
| SOA | School Of The Americas |
| SOA | Source Of Authority |
| SOA | Start Of Authoritative |
| SOA | State Of Affairs |
| SOAN | School Of Assassins Nato |
| SOAP | Stamp Out Acronyms, PLEASE! |
| SOAR | Save Our American Resources |
| SOB | Senate Office Building |
| SOC | Secretary's Operations Center |
| SOC | Standard Occupational Classification |
| SOCO | Standards Of Conduct Office |
| SOD | Separation Of Duties |
| SODA | Statement Of Demonstrated Ability |
| soec | Standards of Ethical Conduct |
| SOF | Signature On File |
| SOFA | Standards Of Friendly Agreement |
| SOFP | State Only Family Planning |
| SOHO | Small Office/ Home Office |
| SOL | Statute Of Limitations |