New Diggings is a town in Lafayette County, Wisconsin, United States.

The unincorporated communities of Etna, Lead Mine, and New Diggings are located in the town.

According to the United States Census Bureau, the town has a total area of 25.3 square miles (65.5 km2), all of it recorded as land.

The racial makeup of the town was 99.15% White, 0.21% Native American and 0.63% Asian.

23.9% of all households were made up of individuals, and 11.4% had someone living alone who was 65 years of age or older.