KSJ
| Acronym | Definition |
|---|---|
| KSJ | Katholische Studierende Jugend (German youth movement) |
| KSJ | Kasos Island, Greece - Kasos Island (Airport Code) |
| KSJ | Knights of St. John (est. 1886; various locations) |
| KSJ | Keats-Shelley Journal (literary publication) |
| KSJ | Katholieke Studenten Jeugd (Belgian youth movement) |