Hazel Green is a village in Grant and Lafayette counties in the U.S. state of Wisconsin.

In 1825, the village was named from dense growth of American Hazelnut near the town site.

[10] According to the United States Census Bureau, the village has a total area of 1.30 square miles (3.37 km2), all of it land.

[11] As of the census[13] of 2010, there were 1,256 people, 531 households, and 333 families living in the village.

30.9% of all households were made up of individuals, and 11.7% had someone living alone who was 65 years of age or older.

The racial makeup of the village was 99.58% White, 0.17% Black or African American, 0.08% Asian, and 0.17% from two or more races.

26.7% of all households were made up of individuals, and 12.1% had someone living alone who was 65 years of age or older.