| Dooley, Griffin | Community Outreach Worker | City Manager | (714) 754-7511 | Email |
| Dam, Ron | Video Production Specialist | City Manager, Communications | (714) 754-5233 | Email |
| Dodero, Tony | Public Information Officer | City Manager, Communications | (714) 754-5288 | Email |
| Dominguez, Aaron | Human Resources Analyst | City Manager, Human Resources | (714) 754-4862 | Email |
| Drapkin, Scott | Assistant Director | Economic and Development Services | (714) 754-5278 | Email |
| Daily, Mikelle | Grant Administrator | Economic and Development Services | (714) 754-5678 | Email |
| Doudar, Ziad | Building Official | Economic and Development Services | (714) 754-5604 | Email |
| Dolewski, Anna | Payroll Supervisor | Finance | (714) 754-5063 | Email |
| De Fluiter, Darren | Captain | Fire Department | (714) 754-5106 | Email |
| Davis, Aaron | Captain | Fire Department | (714) 754-5106 | Email |
| De Fluiter, David | Firefighter | Fire Department | (714) 754-5106 | Email |
| Diamond, Mitchell | Firefighter | Fire Department | (714) 754-5106 | Email |
| Do, Kyle | Senior Programmer Analyst | Information Technology | (714) 754-5397 | Email |
| Duarte, Marianna | Recreation Supervisor: Senior Center | Park and Community Services | (714) 327-7544 | Email |
| Dalton, Kelly | Fairview Park Administrator | Park and Community Services | (714) 754-5135 | Email |
| Dean, S. | Police Officer | Police Department | (714) 754-5281 | Email |
| Diaz, Lizette | Public Safety Dispatcher | Police Department | (714) 754-5252 | Email |
| Defuria, A. | Police Detective | Police Department | (714) 754-5364 | Email |
| Duong, Son | Police Records Technician | Police Department | (714) 754-5373 | Email |
| Duesund, Elizabeth | Police Records Shift Supervisor | Police Department | (714) 754-5215 | Email |
