Vicente Bacallar y Sanna, Marquis of Saint Philip and Viscount of Fuentehermosa, later italianized into Vincenzo Bacallar Sanna (Cagliari - Sardinia, island now belonging to Italy), 6 February 1669 – The Hague (Netherlands), 11 June 1726).
He was a Sardinian nobleman, military officer, linguist, historian, politician and ambassador of the Spanish Empire.
He was born to a noble Sardinian family when the kingdom of Sardinia was part of the Spanish crown.