| Jacome, Francine | Administrative Assistant | Library - City | 949-717-3809 | |
| Jacob, Jericho | Recreation Leader, Senior | Recreation & Senior Services | | |
| Ison, Sean | Lifeguard II | Fire | | |
| Inzunza, Aydee | Code Enforcement Officer I | Community Development | 949-644-3230 | |
| Infelise, Madison | Permit Technician II | Harbor Department | 949-718-3429 | |
| Iller, Skylar | Lifeguard I | Fire | | |
| Igasaki, Judi | Permit Counter Supervisor | Community Development | 949-644-3291 | |
| Hykes, Logan | Recreation Leader, Senior | Recreation & Senior Services | | |
| Hutzler, Cameron | Fire Captain 112 Hours | Fire | 949-644-3104 | |
| Hutton, Sarah | Fiscal Clerk, Senior | Finance | 949-644-3116 | |
| Hutton, Ava | Senior Pool Lifeguard | Recreation & Senior Services | | |
| Hurdle, Clint | Lifeguard II | Fire | | |
| Huff, Aidan | Lifeguard II | Fire | | |
| Hua, Caroline | Human Resources Analyst | Human Resources | 949-270-8143 | |
| Houlihan, James | Deputy Public Works Director/City Engineer | Public Works | 949-644-3319 | |
| Horney, Dustin | Civil Engineer - Plan Check | Community Development | 949-644-3277 | |
| Hopper, Andrew | Fire Engineer 112 Hour | Fire | 949-644-3104 | |
| Hopkins, Chloe | Lifeguard I | Fire | | |
| Hoose, Foster | Lifeguard Officer | Fire | | |
| Honig, Kayly | | Recreation & Senior Services | | |
