Sioux Treaty

Sioux Treaty may refer to:


 * Treaties of Portage des Sioux, a series of treaties at Portage des Sioux, Missouri in 1815
 * Treaty of Traverse des Sioux, an agreement between the United States government and Sioux Indian bands in Minnesota Territory
 * Sioux Treaty of 1868, an agreement between the United States government and the Lakota, Yanktonai Dakota and Arapaho Nations