Joseph Blanco White, born José María Blanco Crespo (July 11 1775 in Seville, Spain – May 20 1841 in Liverpool, England), was a Spanish theologian and poet. White had Irish ancestry and was the son of the merchant Guillermo Blanco (alias White, an English viceconsul who had established itself in Seville during the reign of Fernando VI) and María Gertrudis Crespo y Neve.