| Edelhauser, Jack | Lifeguard I | Fire | | |
| Easton, Tyler | Firefighter 112 Hours | Fire | 949-644-3355 | |
| Dykesten, Oscar | Fire Engineer 112 Hour | Fire | 949-644-3104 | |
| Duss, Tyler | Lifeguard I | Fire | | |
| Duquette, Christy | Deputy City Attorney | City Attorney | 949-644-3130 | |
| Dunn, Tracey | Fiscal Clerk, Senior | Recreation & Senior Services | 949-644-3168 | |
| Dunkel, Andrew | Firefighter Paramedic 112 Hour (On Or After 1-1-2016) | Fire | 949-644-3113 | |
| Duncan, Julie | Library Clerk, Senior | Library - City | 949-717-3822 | |
| Duncan, Charles | Fire Captain 112 Hours | Fire | 949-644-3355 | |
| Dulu, Christian | IT Analyst | City Manager | 949-644-3096 | |
| Duhamel, Anthony | Library Assistant | Library - City | 949-644-3075 | |
| Dufresne, Charlie | Lifeguard I | Fire | | |
| Duffy, Leah | Librarian I | Library - City | 949-717-3833 | |
| Doughty, Anne | Recreation Supervisor | Recreation & Senior Services | 949-718-1822 | |
| Dopudja, Jacob | Code Enforcement Officer I | Community Development | 949-718-3273 | |
| Dobbs, Makena | Lifeguard I | Fire | | |
| Dingwall, Matthew | Recreation Supervisor | Recreation & Senior Services | 949-644-3152 | |
| Dillman, Jordan | Recreation Leader, Senior | Recreation & Senior Services | | |
| Digiovanna, Susan | Recreation Supervisor | Recreation & Senior Services | 949-718-1825 | |
| Digiovanna, Michael | Recreation Leader, Senior | Recreation & Senior Services | | |
