SPJ
| Acronym | Definition |
|---|---|
| SPJ | Society of Professional Journalists |
| SPJ | Spool File by Job Agent |
| SPJ | Sapheno-Popliteal Junction (disorder) |
| SPJ | Senior Partners for Justice (also seen as SPJ) |
| SPJ | Service Protestant de la Jeunesse (French: Protestant Youth Service; Belgium; est. 1977) |
| SPJ | Secret Public Journal (blog) |
| SPJ | Self-Protection Jamming |
| SPJ | Small Project Job |
| SPJ | Scientific Programming Journal (IOS Press) |
| SPJ | Space Port Japan Association |
| SPJ | Steel Pile Jacket |