| 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 | | |
| Davis, Benjamin | Civil Engineer, Senior | Public Works | 949-644-3317 | |
| Davis, Bryce | Lifeguard II | Fire | | |
| Day, Riley | Lifeguard II | Fire | | |
| Deanda, Tawny | Administrative Assistant To The HR Director | Human Resources | 949-644-3298 | |
| Debella, Andrew | Lifeguard I | Fire | | |
| Delajara, Jose | Lifeguard II | Fire | | |
| Delorme, Lucie | Management Analyst, Senior | Public Works | 949-644-3394 | |
| Derhovanesian, Edmond | Equipment Mechanic I | Public Works | 949-644-3063 | |
| Devincenzo, Caden | Lifeguard I | Fire | | |
| Devoy, Lauren | Administrative Assistant To The City Attorney | City Attorney | 949-644-3131 | |
| Digiovanna, Michael | Recreation Leader, Senior | Recreation & Senior Services | | |
| Digiovanna, Susan | Recreation Supervisor | Recreation & Senior Services | 949-718-1825 | |
| Dillman, Jordan | Recreation Leader, Senior | Recreation & Senior Services | | |
