| Acronym | Definition |
|---|
| SJ➣Super Junior |
| SJ➣St. Joseph (various organizations) |
| SJ➣Social Justice (various organizations) |
| SJ➣Society of Jesus (formal name for Jesuits, Roman Catholic Order of men) |
| SJ➣San Jose |
| SJ➣South Jersey (New Jersey) |
| SJ➣San Juan (Argentina province) |
| SJ➣Show Jumping |
| SJ➣Svalbard (Internet country code) |
| SJ➣Saint John (New Brunswick, Canada) |
| SJ➣Svalbard and Jan Mayen Islands (ISO country code) |
| SJ➣Shonen Jump (Manga) |
| SJ➣Summary Judgment (civil procedure legal practice) |
| SJ➣Shonen Jump (Dragonball) |
| SJ➣Super Jump |
| SJ➣Skinny Jeans (fad diet) |
| SJ➣St. Jude's (Children's Hospital) |
| SJ➣Samurai Jack (cartoon) |
| SJ➣Short Jacket (bullet type) |
| SJ➣Small Job |
| SJ➣Side Judge (football) |
| SJ➣Statens Järnvägars (railroad company in Sweden) |
| SJ➣Stupid Jerk |
| SJ➣Semaine Judiciaire (French: Legal Week; Swiss publication) |
| SJ➣Strafe Jump (gaming) |
| SJ➣Selective Jettison |
| SJ➣Surface Search Radar for Submarines (US Navy) |
| SJ➣Semi Jacketed (bullet type) |
| SJ➣Scintilla Juris (fraternity) |
| SJ➣Shivan Juggernaut (Freespace 2) |
| SJ➣Svedkove Jehovovi (Czech: Jehovah's Witnesses) |
| SJ➣Smart Jewelers |
| SJ➣Support Jamming |
| SJ➣Shop Joint (design engeeniering) |
| SJ➣Sack Jacket |
| SJ➣Shrinkage Joint |
| SJ➣Spiffy Juice (website) |
| SJ➣Stuffing Jitter |
| SJ➣Sitara-E-Jura'at (The Star of Gallantry awarded to Pakistan Armed Forces) |
| SJ➣Swanley Junction (railway station; UK) |
| SJ➣Sievers' J-Value (engineering/geology) |