Vicente Bacallar y Sanna, 1st Marquess of San Felipe, 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.