| Maberry, Scott | Harbor Services Worker, Lead | Harbor Department | | |
| Mackay, Haley | Public Works Technical Aide | Public Works | 949-644-3341 | |
| Mackinen, Traci | Human Resources Specialist I | Human Resources | 949-644-3303 | |
| Mader dauk, Sweet Lou | Pool Swim Instructor | Recreation | | |
| Madsen, Angela | Administrative Assistant To The HR Director | Human Resources | 949-644-3298 | |
| Madsen, Bryce | Lifeguard II | Fire | | |
| Magana, Vanessa | Library Clerk II | Library - City | 949-717-3857 | |
| Magdaleno, Dyandra | Recreation Leader | Recreation | | |
| Maglinti, Avery | IT Manager | City Manager | 949-644-3091 | |
| Mahaffey, Amanda | Recreation Supervisor | Recreation | 949-644-3166 | |
| Mahnken, Brian | Firefighter Paramedic 112 Hour (Before 1-1-2016) | Fire | 949-644-3104 | |
| Mangham, Tyson | Lifeguard II | Fire | | |
| Mannon, Joseph | Lifeguard I | Fire | | |
| Mar, Taylor | Recreation Leader, Senior | Recreation | | |
| Marchand, Phillip | Equipment Operator II | Utilities | 949-718-3407 | |
| Marienthal, Robert | Lifeguard Officer - P/T | Fire | | |
| Marks, Ari | Lifeguard II | Fire | | |
| Marler-mulvenna, Bella | Library Clerk I | Library - City | 949-717-3858 | |
| Martin, Jeremiah | Firefighter Paramedic 112 Hour (Before 1-1-2016) | Fire | 949-644-3355 | |
| Martin, Micah | Deputy Public Works Director - Municipal Operations | Public Works Municipal Operations | 949-644-3059 | |
