| Kimble, Landon | Lifeguard I | Fire | | |
| Kime, Justin | Fire Engineer 112 Hour | Fire | 949-644-3104 | |
| Kimoto, Michael | Firefighter Paramedic 112 Hour (Before 1-1-2016) | Fire | 949-644-3355 | |
| Kirk, Stacy | Permit Technician II | Community%20Development | 949-644-3287 | |
| Kittleson, Zachariah | Lifeguard I | Fire | | |
| Klentos, Konstantinos | Recreation Leader, Senior | Recreation | | |
| Klingler, Jack | Lifeguard I | Fire | | |
| Kluve, John | Firefighter Paramedic 112 Hour (Before 1-1-2016) | Fire | 949-644-3355 | |
| Kolodge, Scott | Electrical & Instrumentation Specialist | Utilities | 949-718-3435 | |
| Kopshever, Daniel | Planner, Assistant | Community%20Development | 949-644-3235 | |
| Kraft, Matthew | Recreation Leader, Senior | Recreation | | |
| Kresan, William | IT Technician, Senior | City%20Manager | 949-644-3184 | |
| Krinski, Carl | Recreation Leader, Senior | Recreation | | |
| Kubischta, Melissa | Civil Engineer - Plan Check, Principal | Community%20Development | 949-644-3278 | |
| La Bare, Richard | Building Inspector, Senior | Community%20Development | 949-644-3261 | |
| Lagrotta, Brandon | Lifeguard II | Fire | | |
| Lane, Steven | Building Inspector, Principal | Community%20Development | 949-644-3264 | |
| Langston, Melissa | Library Page | Library%20-%20City | 949-717-3851 | |
| Lanning, Lyla | Lifeguard I | Fire | | |
| Larson, Lilyanna | Lifeguard I | Fire | | |
