William V may refer to:
- William V, Duke of Aquitaine (969–1030)
- William V of Montpellier (1075–1121)
- William V, Count of Nevers (fl. 1175–1181)
- William V, Marquess of Montferrat (c. 1115–1191)
- William I, Duke of Bavaria (1330–1389), also William V of Holland
- Wilhelm, Duke of Jülich-Cleves-Berg (1516–1592)
- William V, Duke of Bavaria (1548–1626)
- William V, Landgrave of Hesse-Kassel (1602–1637)
- William V, Prince of Orange (1748–1806)
- Possible future regnal name for Prince William, Duke of Cambridge (born 1982), if he succeeds to the throne of the United Kingdom
Famous quotes containing the word william:
“When the Prince of Wales [later King George IV] and the Duke of York went to visit their brother Prince William [later William IV] at Plymouth, and all three being very loose in their manners, and coarse in their language, Prince William said to his ship’s crew, “now I hope you see that I am not the greatest blackguard of my family.””
—Horace Walpole (1717–1797)