Louis I

Cardinals

• Louis I, Cardinal of Guise

  Counts

• Ludwig I, Count of Württemberg
• Louis I of Blois
• Louis I of Flanders
• Louis I of Châtillon
• Louis I, Count of Montpensier
• Louis Günther I, Count of Schwarzburg-Rudolstadt

  Dukes

• Louis I Wittelsbach, Duke of Bavaria
• Louis I, Duke of Bourbon
• Louis of Valois, Duke of Orléans
• Louis I, Duke of Bar
• Louis I, [Grand Duke of Hesse], previously Louis X, Landgrave of Hesse-Darmstadt

  Kings

• Louis the Pious, Louis I of France, "the Pious", king of France and Holy Roman Emperor
• Louis I of Hungary, Louis I of Poland and Hungary,
• Louis I of Naples
• Louis I of Spain
• Louis I of Etruria
• Louis Bonaparte, King of Holland 1806–1810 as Louis I
• Ludwig I of Bavaria
• Luís I of Portugal
• Louis VIII of France who claimed the throne of England as Louis I of England,
• Louis X of France, also known as Louis I of Navarre

  Landgraves

• Louis I, Landgrave of Thuringia

  Princes

• Louis I de Bourbon, Prince de Condé
• Louis I, Prince of Monaco
• Louis [Frederick I, Prince of Schwarzburg-Rudolstadt]