Fadrique de Toledo, 1st Marquis of Villanueva de Valdueza (d. 1634)
Fadrique de Toledo or Fadrique Álvarez de Toledo y Mendoza, 1st Marquess of Valdueza (Naples, 30 May 1580 – Madrid, 11 December 1634), was a Spanish noble and admiral.

He was a Knight of the Order of Santiago and Captain General of the Spanish Navy at the age of 37.