Joan I of Auvergne (8 May 1326 – 29 September 1360, Chateau d'Argilly) was the daughter of William XII, Count of Auvergne and Boulogne, by his wife Marguerite d'Évreux (the sister of Philip III of Navarre).
Vadans, Haute-Saône, another commune in the French region of Franche-Comté