| Cuyler, Cavan | Lifeguard II | Fire | | |
| Curry, Michael | Utilities Supervisor | Utilities | 949-718-3417 | |
| Curry, John | Electrical & Instrumentation Specialist | Utilities | 949-718-3406 | |
| Curran, Johnathan | Utilities Specialist | Utilities | 949-718-3416 | |
| Curran, Isaiah | Maintenance Aide | Public Works | | |
| Cunningham, Augustus | Lifeguard II | Fire | | |
| Cumplido, Ayleen | Recreation Leader, Senior | Recreation & Senior Services | | |
| Cueto, Jose | Lifeguard II | Fire | | |
| Cruz, Alyassa | Intern | Human Resources | | |
| Cruz, Alondra | Office Assistant | Human Resources | 949-270-8142 | |
| Craig, Mary | Office Assistant | Recreation & Senior Services | 949-270-8100 | |
| Cozza, Trent | Firefighter Paramedic 112 Hour (On Or After 1-1-2016) | Fire | 949-644-3372 | |
| Cozza, Austin | Lifeguard II | Fire | | |
| Cox, John | Recreation Leader, Senior | Recreation & Senior Services | | |
| Cowles, Bryan | Firefighter Paramedic 112 Hour (On Or After 1-1-2016) | Fire | 949-644-3113 | |
| Cousino, Jake | Recreation Leader, Senior | Recreation & Senior Services | | |
| Cosylion, Matthew | Deputy Harbormaster | Harbor Department | 949-270-8164 | |
| Costa, Richard | Library Clerk I | Library - City | 949-717-3838 | |
| Cortez, Raul | Department Assistant | Community Development | 949-644-3290 | |
| Cortes, Paul | Fire Engineer 112 Hour | Fire | 949-644-3355 | |
