Albert III may refer to: Albert III, Count of Namur (1048–1102) Albert III, Count of Habsburg (died 1199) Albert III, Margrave of Brandenburg-Salzwedel (–1300) Albert III, Duke of Saxe-Lauenburg (1281–1308) Albert III, Prince of Anhalt-Zerbst (died 1359) Albert III, Count of Gorizia (died 1374) Albert III of Mecklenburg (c. 1338 – 1412) Albert III, Duke of Austria (1349–1395) Albert III, Duke of Saxe-Wittenberg (1375/1380–1422) Albrecht III Achilles, Elector of Brandenburg (1414–1486) Albert III, Duke of Bavaria (1438–1460) Albert III, Duke of Saxony (1443–1500)