Isabel d'Albret of Navarre (1512–1555) was the daughter of John III of Navarre (died 1516) and Catherine I of Navarre, sister and heiress of Francis Phoebus, King of Navarre. Her brother claimed the throne in 1518 and was crowned Henry II of Navarre.
Isabel married René I de Rohan, Viscount of Rohan. They had five children: