Riggio is a southern Italian surname derived from the city of Reggio Calabria. Notable people with the surname include:
Andrea Riggio (1660–1717), Italian Catholic prelate Atsedeweine Tekle Riggio, Ethiopian lawyer and jurist Cristian Riggio (born 1996), Italian footballer Eliana Riggio, Italian UN official Girolamo Riggio (died 1589), Catholic priest Leonard Riggio (1941–2024), American businessman Matt Riggio (born 1988), Australian footballer Renato Riggio (born 1978), Argentine footballer Roc Riggio (born 2002), American baseball player
See also Palazzo Riggio, Aci Catena, a palace in Italy
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