| Tucker, Mike | Maintenance Superintendent | Public Works | (714) 327-7473 | Email |
| Tfaye, Ashley | Senior Guard | | (714) 327-7567 | |
| Tripp, J. | Police Sergeant | Police Department | (714) 754-4824 | Email |
| Tse, Caroline | Human Resources Technician | City Manager, Human Resources | (714) 754-4859 | Email |
| Torres, Ivis | Management Aide | City Council, City Manager | (714) 754-4867 | Email |
| Tu, K. | Training Officer | Police Department | (714) 754-4877 | Email |
| Tsao, Christine | Senior Management Analyst | Public Works | (714) 754-5024 | Email |
| Trujillo, Monica | Property & Evidence Specialist | Police Department | (714) 754-5035 | Email |
| Thomas, Ashley | Senior Recreation Supervisor | Park and Community Services | (714) 754-5052 | Email |
| Torres, Maurilio | Firefighter | Fire Department | (714) 754-5106 | Email |
| Torres, Chuck | Captain - Training | Fire Department | (714) 754-5106 | Email |
| Turner, Brent | Captain | Fire Department | (714) 754-5106 | Email |
| Torrejon, Jessica | Recreation Coordinator - Animal Care Services | Police Department | (714) 754-5128 | Email |
| Tafoya, Karen | Office Specialist II (part-time) | City Clerk, City Manager | (714) 754-5134 | Email |
| Trujillo, Jeff | Video Production Coordinator | City Manager, Communications | (714) 754-5171 | Email |
| Teran, Stacy | Deputy City Clerk | City Clerk | (714) 754-5213 | Email |
| Tighe, Kelsey | Reserve Sr. Public Safety Dispatcher | Police Department | (714) 754-5252 | Email |
| Tai, Carrie | Economic & Development Services Director | Economic and Development Services | (714) 754-5270 | Email |
| Thomas, Brett Atencio | Active Transportation Coordinator | Public Works | (714) 754-5275 | Email |
| Truong, D. | Police Officer | Police Department | (714) 754-5281 | Email |
