| Abbreviation | Definition |
|---|---|
| SOTP | Song Of The Patriot |
| SOTU | State Of The Union |
| SOUP | Software Of Uncertain Pedigree |
| SOV | Soviet |
| SOX | Sarbanes-Oxley Act |
| SP | Semi Plenary |
| SP | Special Project |
| SP | Special Publication |
| SPA | Special Price Authorization |
| SPA | State Plan Amendment |
| SPA | Subsidy Policy Announcement |
| SPAC | Supervisor Political Action Committee |
| SPAR | Standardization Pathway Activity Report |
| SPARC | Standards Planning And Requirements Committee |
| SPC | Statistical Process Control |
| SPCFM | Special Select Civilian Federal Marshall |
| SPD | Security Policy Database |
| SPDER | Servicewide Policy, Directives, and Electronic Research |
| SPE | Service Procurement Engineering |
| SPEAR | Social Policy Evaluation And Research |