Butler is a town in Custer County, Oklahoma, United States.

[5] Butler is located in western Custer County at the intersection of state highways 33 and 44.

Highway 44 leads south from Butler 14 miles (23 km) to Foss and Interstate 40.

According to the United States Census Bureau, Butler has a total area of 1.0 square mile (2.6 km2), all land.

21.7% of all households were made up of individuals, and 11.6% had someone living alone who was 65 years of age or older.