| MJS | Manipulator Jettison System
| Others |
| MJS | Mara Jade Skywalker
| Others |
| MJS | Maria Jane Stephens
| Others |
| MJS | Master of Juridical Studies
| Others |
| MJS | MathWorks Job Scheduler
| Others |
| MJS | Maximum Jensen Shannon
| Others |
| MJS | Mayfield Junior School
| Others |
| MJS | Media and Journalism Studies
| Others |
| MJS | Melissa Jones School
| Others |
| MJS | Memorial Junior School
| Others |
| MJS | Mexican Jumping Spider
| Others |
| MJS | Michigan Job Source
| Others |
| MJS | Miles J. Stanford
| Others |
| MJS | Milwaukee Journal Sentinel
| Others |
| MJS | Miroku Jyoho Service
| Others |
| MJS | Moab Jeep Safari
| Others |
| MJS | Montana Job Source
| Others |