| Moss, Melinda | Library Assistant | Library - City | 949-717-3861 | |
| Moureaux, James | Utilities Specialist, Senior | Utilities | 949-718-3416 | |
| Moylan, Wesley | Lifeguard I | Fire | | |
| Mullinax, Carrera | Management Analyst | Community Development | 949-644-3206 | |
| Mulvey, Jennifer | Administrative Assistant | City Clerk | 949-644-3026 | |
| Munchoff, Finley | Lifeguard I | Fire | | |
| Munoz, Jonathan | Code Enforcement Officer II | Community Development | 949-644-3220 | |
| Murillo, Carlos | Contractor | Public Works | | |
| Murillo, Jaime | Deputy Community Development Director | Community Development | 949-644-3209 | |
| Murillo Lopez, Salvador | Contractor | Public Works | | |
| Murray, John | Code Enforcement Supervisor | Community Development | 949-270-8137 | |
| Myers, Jordyn | Recreation Leader, Senior | Recreation & Senior Services | | |
| Myers, Rochelle | Management Analyst, Senior | Finance | 949-644-3022 | |
| Namdar, Keegan | Lifeguard I | Fire | | |
| Napier, Daniel | Equipment Mechanic II | Municipal Operations | 949-644-3063 | |
| Natelborg, Matthew | Firefighter Paramedic 112 Hour (Before 1-1-2016) | Fire | 949-644-3101 | |
| Navarrete, Genesis | Lifeguard II | Fire | | |
| Navarrete, Monique | Code Enforcement Officer, Senior | Community Development | 949-644-3257 | |
| Nelson, Chloe | Library Page | Library - City | 949-644-3076 | |
| Nelson, John | Public Works Supervisor | Municipal Operations | 949-644-3197 | |
