The United States of Stellaland was a short-lived Boer republic in southern Africa.

The state was formed by on 7 August 1883 by a union of the Boer republics Goshen and Stellaland. However, in 1885, the British sent in a military force under Sir Charles Warren into the territory, who subsequently abolished the republic on 30 September of the same year and re-incorporated its territory into British Bechuanaland.