The Old is an epithet that may refer to:

• Basarab the Old, Prince of Wallachia in the 1470s
• Emund the Old (died 1060), King of Sweden
• Gorm the Old (died 958), first historically recognized king of Denmark
• Haakon IV of Norway (1204–1263), King of Norway
• Mieszko III the Old (c. 1126/27–1202), Duke of Greater Poland and High Duke of Poland
• Miro the Elder (died 896), Count of Conflent and of Rosselló
• Sigismund I the Old (1467–1548), King of Poland, Grand Duke of Lithuania and Duke of Silesia
• William the Old (died 1168), Bishop of Orkney
• William V, Marquis of Montferrat (c. 1115–1191)

In mythology:

• Aun, Swedish king
• Halfdan the Old, in Norse mythology
• Harald the Old, King of Scania
• Hefeydd, father of Rhiannon in Welsh mythology
• Raum the Old, a king in Norway

In fiction:

• Bëor, a man in J. R. R. Tolkien's Middle-earth
• Thráin the Old, a dwarf in J. R. R. Tolkien's Middle-earth

See also

• List of people known as the Young
• List of people known as the Elder or the Younger