| Official Name: | Gagen, 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: | 1647 |
| Coordinates: | 45.6625°N -89.1381°W |
| Area Code: | 715 & 534 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1577607 |
Gagen is an unincorporated community located in the town of Piehl, Oneida County, Wisconsin, United States. Gagen is located along County Highway C near U.S. Route 45, 13.5miles east of Rhinelander.[1]
The settlement started as a logging camp. The Gagen Tract, was one of the finest timber belts in the Northwoods and had stands of pine, birch, maple, spruce, and cedar.[2] A post office called Gagen operated between 1895 and 1942.[3] The community was named for Daniel Gagen, an early settler.[4]