Barneveld is a village in Iowa County, Wisconsin, United States. It is the fourth most populous community in Iowa County, while the second largest village, and largest village located fully within the county. The population was 1,088 at the 2000 census. It is part of the Madison Metropolitan Statistical Area.
Barneveld is located at 43°0′51″N 89°53′44″W / 43.01417°N 89.89556°W / 43.01417; -89.89556 (43.014223, -89.895551).
According to the United States Census Bureau, the village has a total area of 1.4 square miles (3.5 km²), all of it land.