Garden Valley is a town in Jackson County, Wisconsin, United States.

The unincorporated community of North Branch is located in the town.

According to the United States Census Bureau, the town has a total area of 36.2 square miles (93.8 km2), all of it land.

There were 169 housing units at an average density of 4.7 per square mile (1.8/km2).

21.1% of all households were made up of individuals, and 6.8% had someone living alone who was 65 years of age or older.