| Moreno, Ashlee | Recreation Leader, Senior | Recreation & Senior Services | | |
| Morales, Yarely | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Metcalf, Audrey | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Mendoza, Princess | Recreation Leader, Senior | Recreation & Senior Services | | |
| Materassi, Luca | Recreation Leader, Senior | Recreation & Senior Services | | |
| Martinez, Emilio | Recreation Leader, Senior | Recreation & Senior Services | | |
| Martin, Stella | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Murray, John | Code Enforcement Supervisor | Community Development | 949-270-8137 | |
| Maberry, Scott | Harbor Services Worker, Lead | Harbor Department | 949-270-8159 | |
| Myers, Rochelle | Management Analyst, Senior | Finance | 949-644-3022 | |
| Mulvey, Jennifer | Administrative Assistant | City Clerk | 949-644-3026 | |
| Marin, Abigail | Budget Analyst, Senior | Finance | 949-644-3042 | |
| Miller, Christopher | Administrative Manager | Public Works | 949-644-3043 | |
| Matsuyama, Andrew | Lifeguard Captain | Fire | 949-644-3047 | |
| Malsy, Mikaela | Library Clerk I | Library - City | 949-644-3075 | |
| Maglinti, Avery | IT Manager | City Manager | 949-644-3091 | |
| Mollica, John | Fire Engineer 112 Hour | Fire | 949-644-3104 | |
| Medina, Carlos | Fire Captain 112 Hours | Fire | 949-644-3104 | |
| Mcallister, Brett | Firefighter Paramedic 112 Hour (Before 1-1-2016) | Fire | 949-644-3104 | |
| Mahnken, Brian | Fire Captain 112 Hours | Fire | 949-644-3104 | |
