| Dopudja, Jacob | Code Enforcement Officer I | Community Development | 949-718-3273 | |
| Digiovanna, Susan | Recreation Supervisor | Recreation & Senior Services | 949-718-1825 | |
| Doughty, Anne | Recreation Supervisor | Recreation & Senior Services | 949-718-1822 | |
| Duffy, Leah | Librarian I | Library - City | 949-717-3833 | |
| Duncan, Julie | Library Clerk, Senior | Library - City | 949-717-3822 | |
| Delorme, Lucie | Management Analyst, Senior | Public Works | 949-644-3394 | |
| Duncan, Charles | Fire Captain 112 Hours | Fire | 949-644-3355 | |
| Davis, Benjamin | Civil Engineer, Senior | Public Works | 949-644-3317 | |
| Delmonico, Alexandra | Management Fellow | City Manager | 949-644-3313 | |
| Deanda, Tawny | Administrative Assistant To The HR Director | Human Resources | 949-644-3298 | |
| Daluz, Oliver | Emp Plans Examiner | Community Development | 949-644-3271 | |
| Donahugh, Brigitte | Intern | Community Development | 949-644-3200 | |
| Dunn, Tracey | Fiscal Clerk, Senior | Recreation & Senior Services | 949-644-3168 | |
| Davenport, Breanna | Office Assistant | Recreation & Senior Services | 949-644-3161 | |
| Dingwall, Matthew | Recreation Supervisor | Recreation & Senior Services | 949-644-3152 | |
| Devoy, Lauren | Administrative Assistant To The City Attorney | City Attorney | 949-644-3131 | |
| Duquette, Christy | Deputy City Attorney | City Attorney | 949-644-3130 | |
| Dunkel, Andrew | Firefighter Paramedic 112 Hour (On Or After 1-1-2016) | Fire | 949-644-3113 | |
| Dykesten, Oscar | Fire Engineer 112 Hour | Fire | 949-644-3104 | |
| Davenport, Adam | Fire Captain 112 Hours | Fire | 949-644-3104 | |
