Hardwick is a town in Worcester County, Massachusetts, United States, about 20 miles (32 km) northwest of the city of Worcester. It had a population of 2,667 at the 2020 census. It includes the villages of Hardwick, Gilbertville, Wheelwright and Old Furnace.

Worcester County is a county in the U.S. state of Massachusetts. At the 2020 census, the population was 862,111, making it the second-most populous county in Massachusetts. It is also the largest county in Massachusetts by geographic area. The largest city and traditional shire town is Worcester. Worcester County is part of the Worcester, MA–CT metropolitan statistical area and the Boston-Worcester-Providence combined statistical area.