Francis Phoebus of Foix (in French François Fébus and in Spanish Francisco Febo) (c. 1469 – 1483) was king of Navarre (1479–1483) and count of Foix (1472). He was the son of Gaston de Foix, Prince of Viana, and grandson of Eleanor of Navarre, whom he succeeded.
During his brief reign, he was the charge of his mother, the regent, Magdalena of Valois. His succession was approved by the Agramontese party, while the Beaumontese party fell behind Ferdinand the Catholic who was exercising military protection over Navarre to prevent a French invasion.
| Francis I of Navarre | Father: Gaston of Foix, Prince of Viana |
Paternal Grandfather: Gaston IV of Foix |
Paternal Great-grandfather: John I of Foix-Grailly |
| Paternal Great-grandmother: Joan of Albret |
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| Paternal Grandmother: Eleanor of Navarre |
Paternal Great-grandfather: John II of Aragon |
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| Paternal Great-grandmother: Blanche I of Navarre |
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| Mother: Magdalena of Valois |
Maternal Grandfather: Charles VII of France |
Maternal Great-grandfather: Charles VI of France |
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| Maternal Great-grandmother: Isabeau of Bavaria |
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| Maternal Grandmother: Marie of Anjou |
Maternal Great-grandfather: Louis II of Naples |
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| Maternal Great-grandmother: Yolande of Aragon |
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Francis Phoebus of Navarre
Born: 1469 Died: 1483 |
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| Preceded by Gaston IV |
Count of Foix 1472–1483 |
Succeeded by Catherine |
| Preceded by Eleanor |
King of Navarre 1479–1483 |
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