Fernando Enríquez de Velasco (died 1542), 1st Duke of Medina de Rioseco, was the 5th Admiral of Castile.
Admiral | Vice Admiral | Rear Admiral | Castile | Alfonso X of Castile | admiral | Kingdom of Castile | Crown of Castile | Isabella I of Castile | Admiral (Royal Navy) | Admiral of the Fleet | Castile (historical region) | Vice admiral (United States) | rear admiral | Philip I of Castile | Alfonso VIII of Castile | Joanna of Castile | Eleanor of Castile | Castile-La Mancha | Rear admiral (United States) | Alfonso XI of Castile | Admiral of the Fleet (Royal Navy) | Henry II of Castile | Ferdinand III of Castile | Rear admiral | Peter of Castile | List of Lords High Admiral | John I of Castile | John II of Castile | Admiral of the fleet |
She was the daughter of Juan Gaspar Enríquez de Cabrera, 6th Duke of Medina de Río Seco, 10th Admiral of Castile, 10th Count of Melgar, 10th Count of Rueda, Count of Modica and a Grandee of Spain, (* Madrid, Spain, 1625 - Madrid, Spain, 15 September 1691).