| Jordan, Daniel | Civil Engineer, Associate | Public Works | 949-644-3344 | |
| Jones, Laura | Maintenance Aide | Public Works | 949-718-3463 | |
| Jones, Tyler | Recreation Leader, Senior | Recreation & Senior Services | | |
| Jones, Evan | Recreation Leader, Senior | Recreation & Senior Services | | |
| Jette, Mark | Park Patrol Officer | Recreation & Senior Services | 949-795-2381 | |
| Janda, Anna | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Jameson, Tyler | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Jalandoni, Nathan | Recreation Leader, Senior | Recreation & Senior Services | | |
| Jacob, Jericho | Recreation Leader, Senior | Recreation & Senior Services | | |