| Mejia, Ronald | Permit Technician I | Community Development | 949-644-3251 | |
| Mejia, Rosario | Contractor | Public Works | | |
| Mejia, Susana | Contractor | Public Works | | |
| Melero, Stephanie | Recreation Coordinator | Recreation & Senior Services | 949-718-1827 | |
| Mendoza, Jose | Contractor | Public Works | | |
| Mendoza, Norma | Contractor | Public Works | | |
| Mendoza, Princess | Recreation Leader, Senior | Recreation & Senior Services | | |
| Mendoza De Ordonez, Maria | Contractor | Public Works | | |
| Mendoza-Suarez, Evangelia | Contractor | Public Works | | |
| Mercado, Saul | Intern | Community Development | 949-644-3200 | |
| Merrill, Tim | Water Production Operator | Utilities | 949-718-3423 | |
| Mesropian, Sabrina | Management Analyst, Assistant | Utilities | 949-718-3404 | |
| Metcalf, Audrey | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Meyer, Matthew | Lifeguard II | Fire | | |
| Miles, Melissa | Fire Services Coordinator | Fire | 949-644-3114 | |
| Millard, Brent | Utilities Supervisor | Utilities | 949-718-3414 | |
| Miller, Bryce | Lifeguard II | Fire | | |
| Miller, Christopher | Administrative Manager | Public Works | 949-644-3043 | |
| Miller, James | Facilities Maintenance Technician | Municipal Operations | 949-759-1568 | |
| Miller, Landin | Water Production Supervisor | Utilities | 949-718-3422 | |
