Rudolph III

Rudolph III or Rudolf III may refer to:


 * Rudolf III of Burgundy (971–1032), last king of the independent Kingdom of Arles
 * Rudolph III, Count of Neuchâtel (died 1272), son of Count Berthold
 * Rudolph III of Austria (c. 1281 – 1307), or Rudolf I of Bohemia
 * Rudolf III, Margrave of Baden-Baden (d. 1332)
 * Rudolf III, Duke of Saxe-Wittenberg (c. 1373 – 1419), a member of the House of Ascania and Elector of Saxony
 * Rudolf III, Margrave of Hachberg-Sausenberg (1343–1428)