Wikipedia
MSJ
MSJ may refer to:
- Microsoft Systems Journal, a former technical journal by Microsoft Corporation, merged into MSDN Magazine
- Mission San Jose High School, a high school in Fremont, California, United States
- Motion for Summary judgment, a legal term requesting a judgment without a full trial
- Mount Saint Joseph (disambiguation), several places and schools
- MSJ, the IATA airport code for Misawa Airport, Misawa, Aomori, Japan