| Abbreviation | Definition |
|---|---|
| SCUM | Specially Created For Unworthy Men |
| SD | Self Defense |
| SDA | Single Daily Action |
| SDCL | South Dakota Codified Laws |
| SDF | Sans Domicile Fixe |
| SDF | Self Defense |
| SDLA | Sudbury District Law Association |
| SDO | Securities Division order |
| SE | Self Enforced |
| SE | Sexual Exploration |
| SE | Somewhat Erratic |
| SE | Stalking Evil |
| SE | Surveillance Enhanced |
| SEARCH | Sexism Ethnicity Ageism Racism Culturalism And Homophobia |
| SEC | School Encouraged Corruption |
| SED | Seriously Emotionally Disturbed |
| SED | Severe Emotional Disturbance |
| SED | Special Enforcement Division |
| SELEC | Southeast European Law Enforcement Center |
| SELF | Sports Entertainment Law Forum |