Greenbush is a census-designated place located in the town of Greenbush, Sheboygan County, Wisconsin, United States.
Greenbush is located near Wisconsin Highway 23 west-northwest of Plymouth. Greenbush has a post office with ZIP code 53026. As of the 2010 census, its population was 162. The Sylvanus Wade House is located in Greenbush.
Greenbush first appeared as a census designated place in the 2010 U.S. census.