Ayarza is a surname of Basque origin, meaning "sloped valley".
People with the name Rosa Mercedes Ayarza de Morales (1881–1969), Peruvian composer Petita Ayarza (born 1965), Panamanian politician and businesswoman Josimar Ayarza (born 1987), Panamanian basketball player Abdiel Ayarza (born 1992), Panamanian footballer
See also Laguna de Ayarza, a crater lake in Guatemala
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