Rock Island is a town in Le Flore County, Oklahoma, United States.

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

[5] A post office was established as Rock Island, Indian Territory on February 1, 1905.

[6] At the time of its founding, the community was located in Skullyville County, part of the Moshulatubbee District of the Choctaw Nation.

Many residents now commute to work in nearby towns such as Poteau and Fort Smith.

[10] Now used by the Kansas City Southern, it was built by Frisco Railway in 1885 and is approximately 1,180 feet long.