| Kelly, Gabriela | Lifeguard I | Fire | | |
| Keene, Justin | Fire Engineer 112 Hour | Fire | 949-644-3355 | |
| Kearney, Sawyer | Lifeguard I | Fire | | |
| Kang, Ray | Fire Captain 112 Hours | Fire | 949-644-3104 | |
| Kaford, Andrew | Firefighter Paramedic 112 Hour (Before 1-1-2016) | Fire | 949-644-3355 | |
| Kern, Skylynn | Library Clerk I | Library - City | 949-717-3851 | |
| Kachaturian, Andrew | Librarian III | Library - City | 949-717-3823 | |
| Khalil, Omar | Management Analyst | Public Works | 949-644-3013 | |
| Keely, David | Civil Engineer, Senior | Public Works | 949-644-3349 | |
| Kappeler, John | Civil Engineer, Senior | Public Works | 949-644-3218 | |
| Kang Somers, Joann | Engineering Technician | Public Works | 949-644-3338 | |
| Krinski, Carl | Recreation Leader, Senior | Recreation & Senior Services | | |
| Kraft, Matthew | Recreation Leader, Senior | Recreation & Senior Services | | |
| Klentos, Konstantinos | Recreation Coordinator, Assistant | Recreation & Senior Services | | |
| Kiser, Johann | Senior Pool Lifeguard | Recreation & Senior Services | | |
