Sebastián de la Cuadra y Llarena 1st Marquis of Villarías (20 January 1687 – 9 April 1766) was a Spanish Statesman. He served as Chief Minister during between 1736 and 1746 during the reign of Phillip V of Spain. He became in 1719 the Mayor of Muskiz a Basque town exploiting iron ores and local smelters having two himself one working as early as the 15th century Knight of the Military Order of Santiago Santiago in 1730 (sig. 2239).
