Prince Alexander
- Alexander Cambridge, 1st Earl of Athlone
- Alexander David Ssimbwa
- Alexander I of Serbia
- Alexander I of Yugoslavia
- Alexander Karađorđević, Prince of Serbia
- Alexander Mountbatten, 1st Marquess of Carisbrooke
- Alexander of Bulgaria
- Alexander, Crown Prince of Yugoslavia
- Alexander, Prince of Saxony
- George V of Hanover
- King Carl XVI Gustaf of Sweden
- King's Quest
- List of monarchs of the Netherlands
- Prince Alexander Ferdinand of Prussia
- Prince Alexander John of Wales
- Prince Alexander Romanov
- Prince Alexander of Denmark
- Prince Alexander of Georgia
- Prince Alexander of Hesse and by Rhine
- Prince Alexander of Hohenlohe-Waldenburg-Schillingsfürst
- Prince Alexander of Imereti (1674–1711)
- Prince Alexander of Imereti (1760–1780)
- Prince Alexander of Kartli (1726–1791)
- Prince Alexander of Kartli (died 1711)
- Prince Alexander of Kartli (died 1773)
- Prince Alexander of Liechtenstein (1929–2012)
- Prince Alexander of Prussia
- Prince Alexander of Yugoslavia (1924–2016)
- Prince Alexander of Yugoslavia (born 1982)
- Prince Alexander of the Netherlands
- Prince Alexander von Fürstenberg
- Prince Alexandre of Belgium
- Prince Alfred of Edinburgh and Saxe-Coburg and Gotha
- Prince Carl Philip of Sweden, Duke of Värmland
- Prince George of Wales
- Prince George, Duke of Kent
- Prince Richard, Duke of Gloucester
- Willem-Alexander of the Netherlands