Cottage Grove may refer to a number of places in the United States:

Cottage Grove, Illinois Cottage Grove, Indiana Cottage Grove, Minnesota Cottage Grove, Oregon Cottage Grove, Tennessee Cottage Grove, Wisconsin Cottage Grove (town), Wisconsin Cottage Grove Township, Allen County, Kansas Cottage Grove, Houston, a community in Houston, Texas

See also Cottage Grove, short for East 63rd-Cottage Grove (CTA), a transit station in Chicago's 'L' system