Alfonso Herrera, O.S.A. (died 2 December 1602) was a Roman Catholic prelate who served as Bishop of Ariano (1585–1602) and Bishop of Gallipoli (1576–1585).^[1]

Alfonso Herrera was born in Spain and ordained a priest in the Order of Saint Augustine.^[1] On 30 July 1576, Alfonso Herrera was appointed during the papacy of Pope Gregory XIII as Bishop of Gallipoli.^[1] On 25 February 1585, he was transferred by Pope Gregory XIII to the diocese of Ariano.^[1] He served as Bishop of Ariano until his death on 20 December 1602.^[1]

• Catholic Church in Italy

• Cheney, David M. "Diocese of Ariano Irpino-Lacedonia". Catholic-Hierarchy.org. (for Chronology of Bishops) ^{[self-published]}
• Chow, Gabriel. "Diocese of Ariano Irpino–Lacedonia". GCatholic.org. (for Chronology of Bishops) ^{[self-published]}
• Cheney, David M. "Diocese of Gallipoli". Catholic-Hierarchy.org. (for Chronology of Bishops) ^{[self-published]}
• Chow, Gabriel. "Diocese of Gallipoli (Italy)". GCatholic.org. (for Chronology of Bishops) ^{[self-published]}