| Official Name: | Harshaw, Wisconsin |
| Pushpin Map: | Wisconsin#USA |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Oneida |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1506 |
| Coordinates: | 45.6656°N -89.6556°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 54529 |
| Area Code: | 715 & 534 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1566101[1] |
Harshaw is an unincorporated community located in Oneida County, Wisconsin, United States. Harshaw is 13miles west-northwest of Rhinelander, in the town of Cassian. Harshaw has a post office with ZIP code 54529.[2] The community was named after Henry B. Harshaw, who was the treasurer of Wisconsin when Charles Norway established the post office in March 1851.[3] The population in zip code 54529 is 1,167.[4]