Giordano Pironti dei Conti di Terracina (born Terracina, ca. 1210; died in Viterbo, 1 October 1269) was an Italian aristocrat, papal bureaucrat, and Roman Catholic Cardinal. His family included a brother, Pietro, and three nephews, Pietro, Giovanni and Paolo. On 12 June 1256, a document is signed by Pironti as Magister, Subdiaconus and Notarius. From 1257 (at some point between March and June) to 1262 he was Vice-Chancellor of the Holy Roman Church.