John of Foix or Jean de Foix may refer to:

• John I, Count of Foix (died 1436)
• John de Foix, 1st Earl of Kendal (died 1485)
• John of Foix, Viscount of Narbonne (died 1500)
• John III of Navarre (died 1516), was also Count John II of Foix

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