| Official Name: | Eldorado, Wisconsin |
| Pushpin Map: | Wisconsin#USA |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Fond du Lac |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 879 |
| Coordinates: | 43.8247°N -88.6217°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 54932 |
| Area Code: | 920 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1564499 |
Eldorado is an unincorporated community located in the town of Eldorado, Fond du Lac County, Wisconsin, United States. Eldorado is 2.5miles east-northeast of Rosendale. Eldorado has a post office with ZIP code 54932.[1]
The post office opened in 1856 as North Lamartine. The name changed to Eldorado Mills in 1870 and finally to Eldorado in 1883. Note that there was another post office named El Dorado until 1882, located about 3.5 miles north and east of this post office. It was renamed Kirkwood PO 1882-1899.[2] [3]