Branch is a city in Franklin County, Arkansas, United States.

It is part of the Fort Smith, Arkansas-Oklahoma Metropolitan Statistical Area.

[3] Branch is located in southwestern Franklin County at the junctions of Arkansas Highways 22 and 41.

According to the United States Census Bureau, Branch has a total area of 3.6 square miles (9.2 km2), all land.

21.3% of all households were made up of individuals, and 7.8% had someone living alone who was 65 years of age or older.