| Acronym | Definition | 
|---|
| MSJ➣Mount St. Joseph (various locations) | 
| MSJ➣Movement for Social Justice (various organizations) | 
| MSJ➣Magnetics Society of Japan | 
| MSJ➣Microsoft Systems Journal | 
| MSJ➣Medill School of Journalism (Northwestern University; Illinois) | 
| MSJ➣Misawa, Japan (Airport Code) | 
| MSJ➣Motion for Summary Judgment (civil procedure legal practice) | 
| MSJ➣Mycological Society of Japan (est. 1956) | 
| MSJ➣Minimum Security Jail (Ohio) | 
| MSJ➣Meteorological Society of Japan | 
| MSJ➣Multiple Selective Reject | 
| MSJ➣Mac Serial Junkie (web repository of Mac software registration data) | 
| MSJ➣Master of Science in Jurisprudence (degree program) | 
| MSJ➣Medical Sisters of Saint Joseph | 
| MSJ➣Master of Social Justice (Woodbury University; Burbank, CA) |