| Yuba City, CA (City) |
| Yuba County, CA (County) |
| Yucaipa, CA (City) |
| Yucatan, MN (Township) |
| Yucca Valley, CA (City) |
| Yukon, OK (City) |
| Yukon-Kayukuk Borough, AK (County) |
| Yuma, AZ (City) |
| Yuma, CO (City) |
| Yuma County, CO (County) |
| Yuma County, AZ (County) |
| Yutan, NE (City) |
| Zachary, LA (City) |
| Zaleski, OH (Village) |
| Zalma, MO (Town) |
