Carlo Alberto Guidoboni Cavalchini

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Carlo Alberto Guidoboni Cavalchini^[1] (26 July 1683 – 7 March 1774) was an Italian Cardinal. Considered papabile in the Papal conclave, 1758, he was vetoed by Louis XV of France under the jus exclusivae.

A lawyer by education, he became titular archbishop of Filippi in 1728,^[2] and was created Cardinal in 1743. He became bishop of Albano in 1759 and bishop of Ostia in 1763. Dean of the College of Cardinals 1763–74.