| Abbreviation | Definition |
|---|---|
| MJ | Madhukar Jalan, Managing Director, Jalpac India, LTD. |
| MJ | Mark Johnson |
| MJ | Mattie Johnson |
| MJ | Max Jones, jazz musician |
| MJ | Michael Jackson |
| MJF | Michael J. Fox |
| MJG | Marlon Jermaine Goodwin, Rap Artist |
| MJH | Melissa Joan Hart |
| MJS | Miles J. Stanford |
| MJY | Mighty Joe Young |
| MK | Michael Kornick |
| MK | Milton Keynes |
| MK | Miss Kitty |
| MK | Mort Klein |
| MKA | Mary-Kate and Ashley Olsen |
| ML | Maurice Levine |
| ML | Mohan Lal, actor |
| MLH | Martin Lamar Hanson |
| MLS | Marie Louise Shew |
| MM | Maid Marian |