| Cox, John | Recreation Leader, Senior | Recreation & Senior Services | | |
| Cozza, Austin | Lifeguard II | Fire | | |
| Cozza, Trent | Firefighter Paramedic 112 Hour (On Or After 1-1-2016) | Fire | 949-644-3372 | |
| Craig, Mary | Office Assistant | Recreation & Senior Services | 949-270-8100 | |
| Cruz, Alondra | Office Assistant | Human Resources | 949-270-8142 | |
| Cueto, Jose | Lifeguard II | Fire | | |
| Cumplido, Ayleen | Recreation Leader, Senior | Recreation & Senior Services | | |
| Curiel, Jose | Facilities Maintenance Technician | Public Works | | |
| Curran, Isaiah | Maintenance Aide | Public Works | | |
| Curran, Johnathan | Utilities Specialist | Utilities | 949-718-3416 | |
| Curry, John | Electrical & Instrumentation Specialist | Utilities | 949-718-3406 | |
| Curry, Michael | Utilities Supervisor | Utilities | 949-718-3417 | |
| Cuyler, Cavan | Lifeguard II | Fire | | |
| Dallstream, Nadia | Librarian II | Library - City | 949-644-3075 | |
| Daluz, Oliver | Emp Plans Examiner | Community Development | 949-644-3271 | |
| Daly, Jackson | Recreation Leader, Senior | Recreation & Senior Services | | |
| Damato, Dustin | Equipment Mechanic II | Public Works | 949-644-3063 | |
| Davenport, Adam | Fire Captain 112 Hours | Fire | 949-644-3104 | |
| Davenport, Breanna | Office Assistant | Recreation & Senior Services | 949-644-3161 | |
| Davidson, Apollo | Lifeguard I | Fire | | |
