Ashby is an unincorporated community in Grant County, Nebraska, United States. Its elevation is 3,843 feet (1,173 m), and it is located at (42.0219276, -101.9276811). It lies along Nebraska Highway 2, 9 miles (14½ km) west-northwest of Hyannis, the county seat of Grant County. Although it is unincorporated, it has a post office, with the ZIP code of 69333.