| Acronym | Definition |
|---|
| SIJ➣Sacroiliac Joint |
| SIJ➣Special Immigrant Juvenile |
| SIJ➣Sistema Integrado de Justicia (Spanish: Integrated Justice System) |
| SIJ➣St. Isaac Jogues (church; various locations) |
| SIJ➣Stand-In Jamming |
| SIJ➣Suresnes Information Jeunesse (French: Suresnes Youth Information) |
| SIJ➣Signal Initiated Jamming |
| SIJ➣Scientific International Journal (Bayamón, Puerto Rico) |
| SIJ➣Service Insertion Jeunes (French: Youth Service Integration) |
| SIJ➣Sisters of the Infant Jesus (Catholic order) |
| SIJ➣Section Identité Judiciaire (French: Criminal Records Section; Canada) |