Alonso Velázquez (1533 – 14 January 1587) was a Roman Catholic prelate who served as Archbishop of Santiago de Compostela (1583–1587) and Bishop of Osma (1578–1583).^[1]

Alonso Velázquez was born in Tudela del Duero, Spain.^[1] On 13 June 1578, he was appointed during the papacy of Pope Gregory XIII as Bishop of Osma.^[1] In September 1578, he was consecrated bishop by Gaspar de Quiroga y Vela, Archbishop of Toledo.^[1] On 9 March 1583, he was appointed during the papacy of Pope Gregory XIII as Archbishop of Santiago de Compostela.^[1] He served as Archbishop of Santiago de Compostela until his death on 14 January 1587.^[1] While bishop, he was the principal consecrator of Pedro Fernández Temiño, Bishop of Ávila.^[1]

• Cheney, David M. "Diocese of Osma-Soria". Catholic-Hierarchy.org. Retrieved June 16, 2018. (for Chronology of Bishops) ^{[self-published]}
• Chow, Gabriel. "Diocese of Osma-Soria (Italy)". GCatholic.org. Retrieved June 16, 2018. (for Chronology of Bishops) ^{[self-published]}
• Cheney, David M. "Archdiocese of Santiago de Compostela". Catholic-Hierarchy.org. Retrieved June 16, 2018. (for Chronology of Bishops) ^{[self-published]}
• Chow, Gabriel. "Archdiocese of Santiago de Compostela (Spain)". GCatholic.org. Retrieved June 16, 2018. (for Chronology of Bishops) ^{[self-published]}