| Glessing, Caroline | Recreation Leader, Senior | Recreation & Senior Services | | |
| Gleason, Melissa | Recreation & Senior Services Manager | Recreation & Senior Services | 949-644-3247 | |
| Giovinazzi, Sienna | Recreation Leader, Senior | Recreation & Senior Services | | |
| Giovinazzi, Morgan | Recreation Leader, Senior | Recreation & Senior Services | | |
| Gilliam, Bernadette | Library Assistant | Library - City | 949-717-3830 | |
| Gillespie, James | Fire Marshal | Fire | 949-644-3354 | |
| Gibson, David | Fire Services Coordinator | Fire | 949-644-3381 | |
| Gholtoghian, Fatemeh | Recreation Leader, Senior | Recreation & Senior Services | | |
| Gerken, Henry | Recreation Leader, Senior | Recreation & Senior Services | | |
| Gerakos, Nicholas | Fire Engineer 112 Hour | Fire | 949-644-3355 | |
| George, Brian | Public Works Crew Chief | Public Works | 949-644-3053 | |
| Genova, Trey | Lifeguard II | Fire | | |
| Gemme, John | Public Works Crew Chief | Public Works | 949-644-3054 | |
| Gautschi, Nicholas | Harbor Services Worker | Harbor Department | | |
| Garrett, Jonathan | Utilities Crew Chief | Utilities | 949-718-3416 | |
| Garrett, Errica | Administrative Assistant (Confidential) | City Manager | 949-644-3004 | |
| Garman, Mark | Fire Engineer 112 Hour | Fire | 949-644-3104 | |
| Garcia, Peter | Fire Engineer 112 Hour | Fire | 949-644-3104 | |
| Garcia, Ivan | Public Works Technical Aide | Public Works | | |
| Garcia, Christopher | Utilities Specialist | Utilities | 949-718-3416 | |