Auca

Auca or AUCA may refer to:

• An alternative name for the Huaorani people of Ecuador
• Operation Auca, an endeavor to evangelize the Huaorani tribe
• Sociedad Deportiva Aucas, a football club from Quito
• American University of Central Asia
• Auca (genus), a genus of butterflies
• Auca (cartoon), a Catalan genre of story in pictures
• Auca (Rebel), an Argentine anarchist organisation based in La Plata
• Auca (titular diocese), a titular diocese of the Catholic Church.