The Oromo are an ethnic group found in Ethiopia, in northern Kenya, and to a lesser extent in parts of Somalia.With 30 million members, they constitute the single largest ethnic group in Ethiopia and approximately 34.49% of the population according to the 2007 census.

Their native language is Oromo (also called Afaan Oromoo and Oromiffa), which is part of the Cushitic branch of the Afro-Asiatic language family.