| Cowles, Bryan | Firefighter Paramedic 112 Hour (On Or After 1-1-2016) | Fire | 949-644-3113 | |
| Carter, Bryan | Firefighter Paramedic 112 Hour (Before 1-1-2016) | Fire | 949-644-3104 | |
| Chapman, James | Fire Captain 112 Hours | Fire | 949-644-3104 | |
| Cathey, Geoffrey | Firefighter Paramedic 112 Hour (Before 1-1-2016) | Fire | 949-644-3104 | |
| Conte, Kelly | Firefighter Paramedic 112 Hour (Before 1-1-2016) | Fire | 949-644-3104 | |
| Campos, Luis | Maintenance Worker | Public Works | 949-644-3063 | |
| Carney, Seanne | Fiscal Specialist | Finance | 949-644-3051 | |
| Carr, Justin | Fire Chief, Assistant | Fire | 949-644-3040 | |
| Cosylion, Matthew | Deputy Harbormaster | Harbor Department | 949-270-8164 | |
| Cawdrey, Jeff | Harbor Services Worker | Harbor Department | 949-270-8159 | |
| Cruz, Alondra | Office Assistant | Human Resources | 949-270-8142 | |
| Craig, Mary | Office Assistant | Recreation & Senior Services | 949-270-8100 | |
| Cox, John | Recreation Leader, Senior | Recreation & Senior Services | | |
| Cousino, Jake | Recreation Leader, Senior | Recreation & Senior Services | | |
| Ching, Timothy | Recreation Leader, Senior | Recreation & Senior Services | | |
| Charles, Vincent | Park Patrol Officer | Recreation & Senior Services | | |
| Chalupnik, Ryan | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Clark, Aaron | Utilities Specialist | Utilities | | |
| Calderon, Richard | Maintenance Aide | Public Works | | |
| Cumplido, Ayleen | Recreation Leader, Senior | Recreation & Senior Services | | |
