| Mississippi State Locator Citys, Towns, Villages, and Other beginning with the letter U |
| CITY/TOWN/ VILLAGE/ETC. |
LOCATED IN THIS TOWN/CITY | COUNTY |
| Una | #3 Township | Clay |
| Union | #5 Township | Jones |
| Union | #5 Township | Lee |
| Union | #3 Township | Newton |
| Union | #4 Township | Simpson |
| Union Church | #1 Township | Jefferson |
| Union Hall | #1 Township | Lincoln |
| Union Hill | #3 Township | Union |
| Unity | #2 Township | Lee |
| Updike | #5 Township | Sharkey |
| Upton | #1 Township | Simpson |
| Usrytown | #2 Township | Scott |
| Ustane | #1 Township | Amite |
| Utica | #3 Township | Hinds |