Diamond Bluff is a town in Pierce County, Wisconsin, United States.

The unincorporated community of Diamond Bluff is located in the town.

[4] A French settler, Monte Diamond, named the community after the area's limestone bluffs.

The racial makeup of the town was 98.96% White, 0.63% Native American and 0.42% Asian.

18.5% of all households were made up of individuals, and 8.2% had someone living alone who was 65 years of age or older.