Cavallero is a surname of Italian origin, a cognate of Spanish Caballero, meaning "knight". Notable people with the surname include:

Alberto Cavallero (1900–1968), Italian long-distance runner Héctor Cavallero (1939–2020), Argentine politician Martina Cavallero (born 1990), Argentine field hockey player Pablo Cavallero (born 1974), Argentine footballer Ugo Cavallero (1880–1943), Italian military commander

See also Cavallero House, a historic residence in Mobile, Alabama Santuario del Cavallero, a sanctuary in Coggiola, Italy Cavallaro (disambiguation) Cavalero (disambiguation) Cavalleri

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