Jean IV.
Jean IV. Is the name of the following people:
- Jean IV (Armagnac) (1396–1450), Count of Armagnac, Fézensac and Rodez
- Jean IV. De Brosse (~ 1505–1564), Count of Penthièvre
- Jean IV. De Bueil († 1415), lord of Bueil-en-Touraine
- Jean IV. De Foix-Grailly († 1485)
- Jean IV. De Vergy († 1461), Seigneur de Fouvent, Saint-Dizier, Vignory, La Fauche and Port-sur-Saône
- Jean IV. De Melun (~ 1396–1484), Burgrave of Ghent, Viscount de Melun, Lord of Antoing, Épinoy and Wingels, Konnetabel of Flanders
- John IV. (Vendôme) ( Jean IV. De Vendôme ; † 1230), Count of Vendôme and Lord of Montoire
- John IV (Brittany) ( Jean de Montfort ; 1295–1345), Count of Montfort-l'Amaury, Duke of Brittany, Earl of Richmond
