Quapaw is the traditional language of the Quapaw Nation (O-Gah-Pah), a Dhegiha Siouan people whose ancestors originally lived in the Ohio River Valley. Centuries ago, the Quapaw migrated south and settled in what is now Arkansas, along the Arkansas and Mississippi Rivers. Their language is closely related to Kanza (Kaw), Omaha, Osage, and Ponca, reflecting their shared origins within the Dhegiha branch of the Siouan language family. Today, the Quapaw Nation has approximately 6,000 tribal citizens.
Like many Indigenous languages, Quapaw experienced a decline in fluent speakers due to colonization and assimilation policies. Today, the Nation continues to preserve and revitalize the language through community-based education and cultural programs. The Quapaw Language Department provides language classes, traditional teachings, and learning resources such as the Okaxpa searchable dictionary. Through partnerships with schools, families, and community programs, the Nation is working to ensure that the Quapaw language remains a living part of Quapaw identity and culture for future generations.