| Abbreviation | Definition |
|---|---|
| JSSP | Judicial Sector Support Program |
| JSSP | Justice Sector Support Program |
| JSSP | Justice System Strengthening program |
| JSSR | Justice and Security Sector Reform |
| JSSR | Justice and Security System Reform |
| JSSS | Justice Studies Student Society |
| JSTF | Justice System Task Force |
| JSU | Justice Simpleton United |
| JTHTL | Journal on Telecommunications and High Technology Law |
| JTIC | Justice Technology Information Center |
| JTIR | Justice Court Traffic Infraction Rules (court rules) |
| JTJ | Journey Through Justice |
| JTJD | Jacques Timmermans Juridische Dienstverlening (Dutch: Jacques Timmermans Legal Services; Netherlands |
| JTMP | Justice Through Music Project |
| JTOJ | Journey to Justice |
| JTP | Justice Theater Project |
| JTTP | Justice Training Transition Program |
| JUCR | Juvenile Court Rules (court rules) |
| JUDGE | Jurisdictions Unified for Drug and Gang Enforcement |
| JUDGE | Jurisdictions Unified for Drug Gang Enforcement |