| Official Name: | McMillan, Wisconsin |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Wisconsin#USA |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Marathon |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1270 |
| Coordinates: | 44.7422°N -90.1633°W |
| Area Code: | 715 and 534 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1844192 |
McMillan is an unincorporated community in the town of McMillan, Marathon County, Wisconsin, United States which was at one time an incorporated village.
A post office called McMillan was established in 1881, and remained in operation until it was discontinued in 1919.[1] The community was named for B. F. McMillan, a businessperson in the lumber industry.[2]