Alonso de Fonseca y Ulloa

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Most Reverend Alonso de Fonseca y Ulloa
Archbishop of Seville
Church	Catholic Church
Archdiocese	Archdiocese of Seville
In office	1469–1473
Predecessor	Alonso de Fonseca y Acevedo
Successor	Pietro Riario
Previous post(s)	Bishop of Ávila (1545–1454) Archbishop of Seville (1454–1465) Archbishop of Santiago de Compostela (1465–1469)
Personal details
Died	1473 Seville, Spain
Nationality	Spanish

Alonso de Fonseca y Ulloa (also Alonso I de Fonseca) (died 1473) was a Roman Catholic prelate who served as Bishop of Ávila (1445–1454), Archbishop of Seville (1454–1465 and 1469–1473), and Archbishop of Santiago de Compostela (1465–1469).