| Madsen, Bryce | Lifeguard II | Fire | | |
| Maberry, Scott | Harbor Services Worker, Lead | Harbor Department | 949-270-8159 | |
| Lynch, Michael | Utilities Supervisor | Utilities | 949-718-3415 | |
| Lutgen, Mary | Librarian I | Library - City | 949-717-3897 | |
| Lunde, Ty | Fire Captain 112 Hours | Fire | 949-644-3374 | |
| Lucas, Alexis | Fire Engineer 112 Hour | Fire | 949-644-3368 | |
| Lowman, Jonathan | Harbor Services Worker, Lead | Harbor Department | | |
| Lowengrub, Hillary | Lifeguard II | Fire | | |
| Lopez, Vanessa | Recreation Leader, Senior | Recreation & Senior Services | | |
| Lopez, Eric | Maintenance Worker | Public Works | | |
| Loo, Bryan | Civil Engineer, Associate | Public Works | 949-644-3324 | |
| Long, Jacob | Fire Captain 112 Hours | Fire | 949-644-3355 | |
| Loke, Eric | Civil Engineer, Senior | Public Works | 949-644-3336 | |
| Logan, Nicole | Recreation Leader, Senior | Recreation & Senior Services | | |
| Liu, Zhengyang | Civil Engineer - Plan Check | Community Development | 949-644-3202 | |
| Littrell, Caine | Lifeguard II | Fire | | |
| Link, Harold | Electrical & Instrumentation Specialist | Public Works | 949-718-3471 | |
| Lindroth, Ryan | Lifeguard II | Fire | | |
| Lindeman, Marie | Administrative Assistant | Public Works | 949-644-3061 | |
| Limon, Amelie | Senior Pool Lifeguard | Recreation & Senior Services | | |
