| Mcclary, Matthew | Fire Engineer 112 Hour | Fire | 949-644-3376 | |
| Mccarthy, Julie | Library Page | Library - City | 949-717-3851 | |
| Mcallister, Kate | Lifeguard II | Fire | | |
| Mcallister, Brett | Firefighter Paramedic 112 Hour (Before 1-1-2016) | Fire | 949-644-3104 | |
| Mayne, Noah | Lifeguard I | Fire | | |
| May, Natalie | Lifeguard Captain | Fire | 949-644-3381 | |
| Matulewicz, Mia | Lifeguard I | Fire | | |
| Mattson, William | Lifeguard I | Fire | | |
| Matsuyama, Andrew | Lifeguard Captain | Fire | 949-644-3047 | |
| Materassi, Luca | Recreation Leader, Senior | Recreation & Senior Services | | |
| Mason, Luke | Public Works Supervisor | Public Works | 949-644-3067 | |
| Martinez, Ruben | Maintenance Worker I | Utilities | 949-718-3407 | |
| Martinez, Michale | NULL | Library - City | 949-717-3851 | |
| Martinez, Michael | Maintenance Operator, Senior | Public Works | 949-718-3461 | |
| Martinez, Emilio | Recreation Leader, Senior | Recreation & Senior Services | | |
| Martinez, Andrew | Equipment Mechanic, Senior | Public Works | 949-644-3063 | |
| Martin, Stella | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Martin, Jeremiah | Firefighter Paramedic 112 Hour (Before 1-1-2016) | Fire | 949-644-3355 | |
| Marshall, Jake | Civil Engineer, Associate | Public Works | 949-644-3323 | |
| Marquez Reynoso, Bryan | Maintenance Worker | Public Works | 949-644-3084 | |
