| Dunn, Tracey | Fiscal Clerk, Senior | Recreation & Senior Services | 949-644-3168 | |
| Doughty, Anne | Recreation Supervisor | Recreation & Senior Services | 949-718-1822 | |
| Dingwall, Matthew | Recreation Supervisor | Recreation & Senior Services | 949-644-3152 | |
| Dillman, Jordan | Recreation Leader, Senior | Recreation & Senior Services | | |
| Digiovanna, Michael | Recreation Leader, Senior | Recreation & Senior Services | | |
| Digiovanna, Susan | Recreation Supervisor | Recreation & Senior Services | 949-718-1825 | |
| Davenport, Breanna | Office Assistant | Recreation & Senior Services | 949-644-3161 | |
| Daly, Jackson | Recreation Leader, Senior | Recreation & Senior Services | | |
| Derhovanesian, Edmond | Equipment Mechanic I | Public Works | 949-644-3063 | |
| Delorme, Lucie | Management Analyst, Senior | Public Works | 949-644-3394 | |
| Davis, Benjamin | Civil Engineer, Senior | Public Works | 949-644-3317 | |
| Damato, Dustin | Equipment Mechanic II | Public Works | 949-644-3063 | |
| Duncan, Julie | Library Clerk, Senior | Library - City | 949-717-3822 | |
| Duhamel, Anthony | Library Assistant | Library - City | 949-644-3075 | |
| Duffy, Leah | Librarian I | Library - City | 949-717-3833 | |
| Dallstream, Nadia | Librarian II | Library - City | 949-644-3075 | |
| Deanda, Tawny | Administrative Assistant To The HR Director | Human Resources | 949-644-3298 | |
| Dykesten, Oscar | Fire Engineer 112 Hour | Fire | 949-644-3104 | |
| Duss, Tyler | Lifeguard I | Fire | | |
| Dunkel, Andrew | Firefighter Paramedic 112 Hour (On Or After 1-1-2016) | Fire | 949-644-3113 | |
