Trego is a town in Washburn County, Wisconsin, United States. The population was 885 at the 2000 census.
The census-designated place of Trego is located in the town.
Trego is located at the junction of U.S. Highway 53 and U.S. Highway 63, at 6 miles (9.7 km) north-northeast of Spooner.
Trego has a post office with ZIP code 54888.